Download .NET Core 3.1

This release has reached end of life, meaning it is no longer supported. We recommend moving to a supported release, such as .NET 10.0. See our support policy for more details.

Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
December 13, 2022

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.426

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.NET Runtime 3.1.32
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Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.32

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.22321.32
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.NET Desktop Runtime 3.1.32

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.32

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Release notes
Latest release date
November 8, 2022

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.425

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.NET Runtime 3.1.31
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Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.31

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.22287.31
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.NET Desktop Runtime 3.1.31

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.31

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
October 11, 2022

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.424

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.NET Runtime 3.1.30
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Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.30

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.22270.30
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.NET Desktop Runtime 3.1.30

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.30

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
September 13, 2022

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.423

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.NET Runtime 3.1.29
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Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.29

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.22230.29
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.NET Desktop Runtime 3.1.29

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.29

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
August 9, 2022

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.422

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.NET Runtime 3.1.28
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.NET Desktop Runtime 3.1.28
Language support
C# 8.0
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Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.28

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.22195.28
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.NET Desktop Runtime 3.1.28

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.28

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Release notes
Latest release date
July 12, 2022

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.421

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.NET Runtime 3.1.27
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.NET Desktop Runtime 3.1.27
Language support
C# 8.0
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Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.27

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.22167.27
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.NET Desktop Runtime 3.1.27

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.27

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
June 14, 2022

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.420

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.NET Runtime 3.1.26
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.NET Desktop Runtime 3.1.26
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.26

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.22144.26
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.NET Desktop Runtime 3.1.26

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.26

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
May 10, 2022

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.419

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.NET Runtime 3.1.25
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.NET Desktop Runtime 3.1.25
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.25

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.22110.25
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.NET Desktop Runtime 3.1.25

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.25

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Release notes
Latest release date
April 12, 2022

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.418

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Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.7.27
Included runtimes
.NET Runtime 3.1.24
ASP.NET Core Runtime 3.1.24
.NET Desktop Runtime 3.1.24
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.24

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.22089.24
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.NET Desktop Runtime 3.1.24

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.24

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
March 8, 2022

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.417

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Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.7.26
Included runtimes
.NET Runtime 3.1.23
ASP.NET Core Runtime 3.1.23
.NET Desktop Runtime 3.1.23
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.23

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.22054.23
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.NET Desktop Runtime 3.1.23

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.23

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
December 14, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.416

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Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.7.22
Included runtimes
.NET Runtime 3.1.22
ASP.NET Core Runtime 3.1.22
.NET Desktop Runtime 3.1.22
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.22

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.21333.22
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.NET Desktop Runtime 3.1.22

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.22

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Release notes
Latest release date
November 8, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.415

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Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.7.21
Included runtimes
.NET Runtime 3.1.21
ASP.NET Core Runtime 3.1.21
.NET Desktop Runtime 3.1.21
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.21

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.21296.21
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.NET Desktop Runtime 3.1.21

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.21

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Downloads for .NET Core 3.1 Runtime (v3.1.21)
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Release notes
Latest release date
October 12, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.414

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Downloads for .NET Core 3.1 SDK (v3.1.414)
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Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.7.20
Included runtimes
.NET Runtime 3.1.20
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.NET Desktop Runtime 3.1.20
Language support
C# 8.0
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Visual Basic 15.9

SDK 3.1.120

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Visual Studio 2019 (v16.4)
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Included in
Visual Studio 16.4.27
Included runtimes
.NET Runtime 3.1.20
ASP.NET Core Runtime 3.1.20
.NET Desktop Runtime 3.1.20
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.20

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.21266.20
*
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.NET Desktop Runtime 3.1.20

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

*
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.NET Runtime 3.1.20

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
Downloads for .NET Core 3.1 Runtime (v3.1.20)
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Release notes
Latest release date
September 14, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.413

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Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.7.19
Included runtimes
.NET Runtime 3.1.19
ASP.NET Core Runtime 3.1.19
.NET Desktop Runtime 3.1.19
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

SDK 3.1.119

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Visual Studio 2019 (v16.4)
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Included in
Visual Studio 16.4.26
Included runtimes
.NET Runtime 3.1.19
ASP.NET Core Runtime 3.1.19
.NET Desktop Runtime 3.1.19
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.19

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.21229.19
*
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.NET Desktop Runtime 3.1.19

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

*
Downloads for .NET Core 3.1 Desktop Runtime (v3.1.19)
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.NET Runtime 3.1.19

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
Downloads for .NET Core 3.1 Runtime (v3.1.19)
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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
August 10, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.412

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Included in
Visual Studio 16.7.18
Included runtimes
.NET Runtime 3.1.18
ASP.NET Core Runtime 3.1.18
.NET Desktop Runtime 3.1.18
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

SDK 3.1.118

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Visual Studio 2019 (v16.4)
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Included in
Visual Studio 16.4.25
Included runtimes
.NET Runtime 3.1.18
ASP.NET Core Runtime 3.1.18
.NET Desktop Runtime 3.1.18
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.18

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.21169.17
*
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.NET Desktop Runtime 3.1.18

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

*
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.NET Runtime 3.1.18

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
Downloads for .NET Core 3.1 Runtime (v3.1.18)
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Release notes
Latest release date
July 13, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.411

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Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.7.17
Included runtimes
.NET Runtime 3.1.17
ASP.NET Core Runtime 3.1.17
.NET Desktop Runtime 3.1.17
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

SDK 3.1.117

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Visual Studio 2019 (v16.4)
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Included in
Visual Studio 16.4.24
Included runtimes
.NET Runtime 3.1.17
ASP.NET Core Runtime 3.1.17
.NET Desktop Runtime 3.1.17
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.17

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.21169.17
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.17)
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.NET Desktop Runtime 3.1.17

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

*
Downloads for .NET Core 3.1 Desktop Runtime (v3.1.17)
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Windows
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.NET Runtime 3.1.17

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
Downloads for .NET Core 3.1 Runtime (v3.1.17)
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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
June 8, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.410

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Downloads for .NET Core 3.1 SDK (v3.1.410)
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Visual Studio support
Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.4.23, 16.7.16, 16.9.7
Included runtimes
.NET Runtime 3.1.16
ASP.NET Core Runtime 3.1.16
.NET Desktop Runtime 3.1.16
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

SDK 3.1.116

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Visual Studio support
Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.4.23,
Included runtimes
.NET Runtime 3.1.16
ASP.NET Core Runtime 3.1.16
.NET Desktop Runtime 3.1.16
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.16

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.21133.16
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.16)
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.NET Desktop Runtime 3.1.16

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

*
Downloads for .NET Core 3.1 Desktop Runtime (v3.1.16)
OS Installers Binaries
Windows
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.NET Runtime 3.1.16

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
Downloads for .NET Core 3.1 Runtime (v3.1.16)
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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
May 11, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.409

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Downloads for .NET Core 3.1 SDK (v3.1.409)
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Visual Studio support
Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.7.15
Included runtimes
.NET Runtime 3.1.15
ASP.NET Core Runtime 3.1.15
.NET Desktop Runtime 3.1.15
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

SDK 3.1.115

*
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Visual Studio support
Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.4.22
Included runtimes
.NET Runtime 3.1.15
ASP.NET Core Runtime 3.1.15
.NET Desktop Runtime 3.1.15
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.15

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.21106.15
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.15)
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.NET Desktop Runtime 3.1.15

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

*
Downloads for .NET Core 3.1 Desktop Runtime (v3.1.15)
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Windows
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.NET Runtime 3.1.15

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
Downloads for .NET Core 3.1 Runtime (v3.1.15)
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Release notes
Latest release date
April 13, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.408

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Downloads for .NET Core 3.1 SDK (v3.1.408)
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Visual Studio support
Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.7.14
Included runtimes
.NET Runtime 3.1.14
ASP.NET Core Runtime 3.1.14
.NET Desktop Runtime 3.1.14
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

SDK 3.1.114

*
Downloads for .NET Core 3.1 SDK (v3.1.114)
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Visual Studio support
Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.4.21
Included runtimes
.NET Runtime 3.1.14
ASP.NET Core Runtime 3.1.14
.NET Desktop Runtime 3.1.14
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.14

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.21075.14
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.14)
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.NET Desktop Runtime 3.1.14

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

*
Downloads for .NET Core 3.1 Desktop Runtime (v3.1.14)
OS Installers Binaries
Windows
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.NET Runtime 3.1.14

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
Downloads for .NET Core 3.1 Runtime (v3.1.14)
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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
March 9, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.407

*
Downloads for .NET Core 3.1 SDK (v3.1.407)
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Visual Studio support
Visual Studio 2019 (v16.7)
Visual Studio 2019 for Mac (v8.9)
Included in
Visual Studio 16.7.13
Included runtimes
.NET Runtime 3.1.13
ASP.NET Core Runtime 3.1.13
.NET Desktop Runtime 3.1.13
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

SDK 3.1.113

*
Downloads for .NET Core 3.1 SDK (v3.1.113)
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Visual Studio support
Visual Studio 2019 (v16.4)
Included in
Visual Studio 16.4.20
Included runtimes
.NET Runtime 3.1.13
ASP.NET Core Runtime 3.1.13
.NET Desktop Runtime 3.1.13
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.13

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.21048.13
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.13)
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.NET Desktop Runtime 3.1.13

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

*
Downloads for .NET Core 3.1 Desktop Runtime (v3.1.13)
OS Installers Binaries
Windows
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.NET Runtime 3.1.13

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
Downloads for .NET Core 3.1 Runtime (v3.1.13)
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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
February 9, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.406

*
Downloads for .NET Core 3.1 SDK (v3.1.406)
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Visual Studio support
Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.7.11
Included runtimes
.NET Runtime 3.1.12
ASP.NET Core Runtime 3.1.12
.NET Desktop Runtime 3.1.12
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

SDK 3.1.112

*
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Visual Studio support
Visual Studio 2019 (v16.4)
Included in
Visual Studio 16.4.18
Included runtimes
.NET Runtime 3.1.12
ASP.NET Core Runtime 3.1.12
.NET Desktop Runtime 3.1.12
Language support
C# 8.0
F# 4.7
Visual Basic 15.9

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.12

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.21020.12
*
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.NET Desktop Runtime 3.1.12

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.12

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
January 12, 2021

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.405

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SDK 3.1.111

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.NET Desktop Runtime 3.1.11
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Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.11

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.20325.11
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.NET Desktop Runtime 3.1.11

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.11

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Release notes
Latest release date
November 10, 2020

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.404

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SDK 3.1.110

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Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.10

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.20295.10
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.NET Desktop Runtime 3.1.10

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.10

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Release notes
Latest release date
October 13, 2020

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.403

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.NET Runtime 3.1.9
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SDK 3.1.109

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Visual Studio 2019 (v16.4)
Included in
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.NET Runtime 3.1.9
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Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.9

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.20268.9
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.NET Desktop Runtime 3.1.9

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.9

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
September 8, 2020

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.402

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.NET Runtime 3.1.8
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Language support
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SDK 3.1.108

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Visual Studio 2019 (v16.4)
Included in
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.NET Desktop Runtime 3.1.8
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Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.8

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.20234.8
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.NET Desktop Runtime 3.1.8

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.8

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
August 11, 2020

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.401

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Visual Studio 2019 (v16.7)
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Included in
Visual Studio 16.7.1
Included runtimes
.NET Runtime 3.1.7
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.NET Desktop Runtime 3.1.7
Language support
C# 8.0
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SDK 3.1.107

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Visual Studio 2019 (v16.4)
Included in
Visual Studio 16.4.12
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.NET Runtime 3.1.7
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Language support
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Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.7

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.20205.7
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.NET Desktop Runtime 3.1.7

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.7

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
July 14, 2020

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.302

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Visual Studio 2019 (v16.6)
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Included in
Visual Studio 16.6.4
Included runtimes
.NET Runtime 3.1.6
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.NET Desktop Runtime 3.1.6
Language support
C# 8.0
F# 4.7

SDK 3.1.106

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Visual Studio 2019 (v16.4)
Included in
Visual Studio 16.4.11
Included runtimes
.NET Runtime 3.1.6
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.NET Desktop Runtime 3.1.6
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C# 8.0
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Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.6

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.20169.6
*
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.NET Desktop Runtime 3.1.6

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.6

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
June 9, 2020

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.301

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Visual Studio 2019 (v16.6)
Included in
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Included runtimes
.NET Runtime 3.1.5
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.NET Desktop Runtime 3.1.5
Language support
C# 8.0
F# 4.7

SDK 3.1.105

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Visual Studio 2019 (v16.4)
Included in
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.NET Runtime 3.1.5
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.NET Desktop Runtime 3.1.5
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Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.5

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.20142.5
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.NET Desktop Runtime 3.1.5

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.5

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
May 19, 2020

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.300

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Visual Studio 2019 (v16.6)
Included in
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Included runtimes
.NET Runtime 3.1.4
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.NET Desktop Runtime 3.1.4
Language support
C# 8.0
F# 4.7

SDK 3.1.202

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Visual Studio 2019 (v16.5)
Included in
Visual Studio 16.5.3
Included runtimes
.NET Runtime 3.1.4
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.NET Desktop Runtime 3.1.4
Language support
C# 8.0
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SDK 3.1.104

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Visual Studio 2019 (v16.4)
Included in
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.NET Runtime 3.1.4
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.NET Desktop Runtime 3.1.4
Language support
C# 8.0
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Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.4

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.20114.4
*
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.NET Desktop Runtime 3.1.4

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

*
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.NET Runtime 3.1.4

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

*
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Release notes
Latest release date
March 24, 2020

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.201

*
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Included runtimes
.NET Runtime 3.1.3
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.NET Desktop Runtime 3.1.3
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F# 4.7

SDK 3.1.103

*
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.NET Runtime 3.1.3
ASP.NET Core Runtime 3.1.3
.NET Desktop Runtime 3.1.3
Language support
C# 8.0
F# 4.7

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.3

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.20074.3
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.3)
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x64 | x86 | Arm32

.NET Desktop Runtime 3.1.3

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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Downloads for .NET Core 3.1 Desktop Runtime (v3.1.3)
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.NET Runtime 3.1.3

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Downloads for .NET Core 3.1 Runtime (v3.1.3)
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Release notes
Latest release date
March 16, 2020

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.200

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Visual Studio support
Visual Studio 2019 (v16.5)
Included in
Visual Studio 16.5.0
Included runtimes
.NET Runtime 3.1.2
ASP.NET Core Runtime 3.1.2
.NET Desktop Runtime 3.1.2
Language support
C# 8.0
F# 4.7

SDK 3.1.102

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Visual Studio support
Visual Studio 2019 (v16.4)
Included runtimes
.NET Runtime 3.1.2
ASP.NET Core Runtime 3.1.2
.NET Desktop Runtime 3.1.2
Language support
C# 8.0
F# 4.7

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.2

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.20018.2
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.2)
OS Installers Binaries
Linux Package manager instructions x64 | Arm64 | Arm32 | x64 Alpine | Arm64 Alpine
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Windows
x64 | x86 | Hosting Bundle
x64 | x86 | Arm32

.NET Desktop Runtime 3.1.2

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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Downloads for .NET Core 3.1 Desktop Runtime (v3.1.2)
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.NET Runtime 3.1.2

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Downloads for .NET Core 3.1 Runtime (v3.1.2)
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Security patch Tooltip: This release contains fixes for security issues. If using an older patch release, you should upgrade to get these fixes.
Release notes
Latest release date
January 14, 2020

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.101

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Visual Studio support
Visual Studio 2019 (v16.4)
Included in
Visual Studio 16.4.3
Included runtimes
.NET Runtime 3.1.1
ASP.NET Core Runtime 3.1.1
.NET Desktop Runtime 3.1.1
Language support
C# 8.0
F# 4.7

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.1

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.19350.1
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.1)
OS Installers Binaries
Linux Package manager instructions x64 | Arm64 | Arm32 | x64 Alpine | Arm64 Alpine
macOS x64
Windows
x64 | x86 | Hosting Bundle
x64 | x86 | Arm32

.NET Desktop Runtime 3.1.1

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

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.NET Runtime 3.1.1

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Release notes
Latest release date
December 3, 2019

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.100

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Visual Studio support
Visual Studio 2019 (v16.4)
Included in
Visual Studio 16.4.0
Included runtimes
.NET Runtime 3.1.0
ASP.NET Core Runtime 3.1.0
.NET Desktop Runtime 3.1.0
Language support
C# 8.0
F# 4.7

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.0

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

IIS runtime support (ASP.NET Core Module v2)
13.1.19320.0
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.0)
OS Installers Binaries
Linux Package manager instructions x64 | Arm64 | Arm32 | x64 Alpine
macOS x64
Windows
x64 | x86 | Hosting Bundle
x64 | x86 | Arm32

.NET Desktop Runtime 3.1.0

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

*
Downloads for .NET Core 3.1 Desktop Runtime (v3.1.0)
OS Installers Binaries
Windows
x64 | x86

.NET Runtime 3.1.0

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

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Downloads for .NET Core 3.1 Runtime (v3.1.0)
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All dotnet-install scripts
Preview Tooltip: Preview releases provide early access to features that are currently under development. These releases are generally not supported for production use.
Release notes
Latest release date
November 14, 2019

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.100-preview3

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Downloads for .NET Core 3.1 SDK (v3.1.100-preview3)
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Full version
3.1.100-preview3-014645
Visual Studio support
Visual Studio 2019 (v16.4, latest preview)
Included in
Visual Studio 16.4.0
Included runtimes
.NET Runtime 3.1.0-preview3.19553.2
ASP.NET Core Runtime 3.1.0-preview3.19555.2
.NET Desktop Runtime 3.1.0-preview3.19553.2
Language support
C# 8.0
F# 4.7

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.0-preview3

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

Full version
3.1.0-preview3.19555.2
IIS runtime support (ASP.NET Core Module v2)
13.1.19309.0
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.0-preview3)
OS Installers Binaries
Linux x64 | Arm64 | Arm32 | x64 Alpine
macOS x64
Windows
x64 | x86 | Hosting Bundle
x64 | x86 | Arm32

.NET Desktop Runtime 3.1.0-preview3

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

Full version
3.1.0-preview3.19553.2
*
Downloads for .NET Core 3.1 Desktop Runtime (v3.1.0-preview3)
OS Installers Binaries
Windows
x64 | x86

.NET Runtime 3.1.0-preview3

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

Full version
3.1.0-preview3.19553.2
*
Downloads for .NET Core 3.1 Runtime (v3.1.0-preview3)
OS Installers Binaries
Linux x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
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All dotnet-install scripts
Preview Tooltip: Preview releases provide early access to features that are currently under development. These releases are generally not supported for production use.
Release notes
Latest release date
November 4, 2019

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.100-preview2

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Downloads for .NET Core 3.1 SDK (v3.1.100-preview2)
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All dotnet-install scripts
Full version
3.1.100-preview2-014569
Visual Studio support
Visual Studio 2019 (v16.4, latest preview)
Included in
Visual Studio 16.4.0
Included runtimes
.NET Runtime 3.1.0-preview2.19525.6
ASP.NET Core Runtime 3.1.0-preview2.19528.8
.NET Desktop Runtime 3.1.0-preview2.19525.6
Language support
C# 8.0
F# 4.7

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.0-preview2

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

Full version
3.1.0-preview2.19528.8
IIS runtime support (ASP.NET Core Module v2)
13.1.19302.0
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.0-preview2)
OS Installers Binaries
Linux x64 | Arm64 | Arm32 | x64 Alpine
macOS x64
Windows
x64 | x86 | Hosting Bundle
x64 | x86 | Arm32

.NET Desktop Runtime 3.1.0-preview2

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

Full version
3.1.0-preview2.19525.6
*
Downloads for .NET Core 3.1 Desktop Runtime (v3.1.0-preview2)
OS Installers Binaries
Windows
x64 | x86

.NET Runtime 3.1.0-preview2

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

Full version
3.1.0-preview2.19525.6
*
Downloads for .NET Core 3.1 Runtime (v3.1.0-preview2)
OS Installers Binaries
Linux x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
macOS x64 x64
Windows
x64 | x86
x64 | x86 | Arm32
All dotnet-install scripts
Preview Tooltip: Preview releases provide early access to features that are currently under development. These releases are generally not supported for production use.
Release notes
Latest release date
October 15, 2019

Build apps - SDK

Tooltip: Do you want to build apps? The software development kit (SDK) includes everything you need to build and run .NET applications, using command-line tools and any editor (like Visual Studio).

SDK 3.1.100-preview1

*
Downloads for .NET Core 3.1 SDK (v3.1.100-preview1)
OS Installers Binaries
Linux x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
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Windows
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x64 | x86 | Arm32
All dotnet-install scripts
Full version
3.1.100-preview1-014459
Visual Studio support
Visual Studio 2019 (v16.4, latest preview)
Included in
Visual Studio 16.4.0
Included runtimes
.NET Runtime 3.1.0-preview1.19506.1
ASP.NET Core Runtime 3.1.0-preview1.19508.20
.NET Desktop Runtime 3.1.0-preview1.19506.1
Language support
C# 8.0
F# 4.7

Localized IntelliSense

Run apps - Runtime

Tooltip: Do you want to run apps? The runtime includes everything you need to run .NET applications. The runtime is also included in the SDK.

ASP.NET Core Runtime 3.1.0-preview1

The ASP.NET Core Runtime enables you to run existing web/server applications. On Windows, we recommend installing the Hosting Bundle, which includes the .NET Runtime and IIS support.

Full version
3.1.0-preview1.19508.20
IIS runtime support (ASP.NET Core Module v2)
13.1.19282.0
*
Downloads for ASP.NET Core 3.1 Runtime (v3.1.0-preview1)
OS Installers Binaries
Linux x64 | Arm64 | Arm32 | x64 Alpine
macOS x64
Windows
x64 | x86 | Hosting Bundle
x64 | x86 | Arm32

.NET Desktop Runtime 3.1.0-preview1

The .NET Desktop Runtime enables you to run existing Windows desktop applications. This release includes the .NET Runtime; you don't need to install it separately.

Full version
3.1.0-preview1.19506.1
*
Downloads for .NET Core 3.1 Desktop Runtime (v3.1.0-preview1)
OS Installers Binaries
Windows
x64 | x86

.NET Runtime 3.1.0-preview1

The .NET Runtime contains just the components needed to run a console app. Typically, you'd also install either the ASP.NET Core Runtime or .NET Desktop Runtime.

Full version
3.1.0-preview1.19506.1
*
Downloads for .NET Core 3.1 Runtime (v3.1.0-preview1)
OS Installers Binaries
Linux x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
macOS x64 x64
Windows
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x64 | x86 | Arm32
All dotnet-install scripts
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