Download .NET Core 2.1

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
August 19, 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 2.1.818

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.NET Runtime 2.1.30
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SDK 2.1.526

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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 2.1.30

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)
12.1.21225.30
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.NET Runtime 2.1.30

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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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 2.1.816

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.NET Runtime 2.1.28
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SDK 2.1.524

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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 2.1.28

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)
12.1.21105.28
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.NET Runtime 2.1.28

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
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 2.1.815

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.NET Runtime 2.1.27
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SDK 2.1.523

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.NET Runtime 2.1.27
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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 2.1.27

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)
12.1.21076.27
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.NET Runtime 2.1.27

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
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 2.1.814

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.NET Runtime 2.1.26
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SDK 2.1.522

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.NET Runtime 2.1.26
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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 2.1.26

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)
12.1.21053.26
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.NET Runtime 2.1.26

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
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 2.1.813

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.NET Runtime 2.1.25
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SDK 2.1.521

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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 2.1.25

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)
12.1.21021.25
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.NET Runtime 2.1.25

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
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 2.1.812

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.NET Runtime 2.1.24
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SDK 2.1.617

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SDK 2.1.520

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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 2.1.24

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)
12.1.20325.24
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.NET Runtime 2.1.24

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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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 2.1.811

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.NET Runtime 2.1.23
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SDK 2.1.616

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SDK 2.1.519

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.NET Runtime 2.1.23
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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 2.1.23

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)
12.1.20266.23
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.NET Runtime 2.1.23

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
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 2.1.810

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.NET Runtime 2.1.22
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SDK 2.1.615

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.NET Runtime 2.1.22
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SDK 2.1.518

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.NET Runtime 2.1.22
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Language support
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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 2.1.22

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)
12.1.20234.22
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.NET Runtime 2.1.22

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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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 2.1.809

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.NET Runtime 2.1.21
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SDK 2.1.614

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.NET Runtime 2.1.21
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SDK 2.1.517

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Included in
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Language support
C# 7.3
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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 2.1.21

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)
12.1.20212.21
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.NET Runtime 2.1.21

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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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 2.1.808

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.NET Runtime 2.1.20
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C# 7.3
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SDK 2.1.613

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Included in
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.NET Runtime 2.1.20
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SDK 2.1.516

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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 2.1.20

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)
12.1.20171.20
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.NET Runtime 2.1.20

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 2.1 Runtime (v2.1.20)
OS Installers Binaries
Linux Package manager instructions x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
macOS x64 x64
Windows
x64 | x86
x64 | x86 | Arm32
All dotnet-install scripts
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 2.1.807

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Downloads for .NET Core 2.1 SDK (v2.1.807)
OS Installers Binaries
Linux Package manager instructions x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
macOS x64 x64
Windows
x64 | x86
x64 | x86
All dotnet-install scripts
Visual Studio support
Visual Studio 2019 (v16.2 or later)
Included runtimes
.NET Runtime 2.1.19
ASP.NET Core Runtime 2.1.19
Language support
C# 7.3
F# 4.5

SDK 2.1.612

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Downloads for .NET Core 2.1 SDK (v2.1.612)
OS Installers Binaries
Linux Package manager instructions x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
macOS x64 x64
Windows
x64 | x86
x64 | x86
All dotnet-install scripts
Visual Studio support
Visual Studio 2019 (v16.2 or later)
Included in
Visual Studio 16.0.15
Included runtimes
.NET Runtime 2.1.19
ASP.NET Core Runtime 2.1.19
Language support
C# 7.3
F# 4.5

SDK 2.1.515

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Downloads for .NET Core 2.1 SDK (v2.1.515)
OS Installers Binaries
Linux Package manager instructions x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
macOS x64 x64
Windows
x64 | x86
x64 | x86
All dotnet-install scripts
Visual Studio support
Visual Studio 2017 (v15.9 or later)
Included in
Visual Studio 15.9.24
Included runtimes
.NET Runtime 2.1.19
ASP.NET Core Runtime 2.1.19
Language support
C# 7.3
F# 4.5

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 2.1.19

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)
12.1.20149.19
*
Downloads for ASP.NET Core 2.1 Runtime (v2.1.19)
OS Installers Binaries
Linux Package manager instructions x64 | Arm32 | x64 Alpine
macOS x64
Windows
x64 | x86 | Hosting Bundle
x64 | x86

.NET Runtime 2.1.19

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 2.1 Runtime (v2.1.19)
OS Installers Binaries
Linux Package manager instructions x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
macOS x64 x64
Windows
x64 | x86
x64 | x86 | Arm32
All dotnet-install scripts
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 12, 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 2.1.806

*
Downloads for .NET Core 2.1 SDK (v2.1.806)
OS Installers Binaries
Linux Package manager instructions x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
macOS x64 x64
Windows
x64 | x86
x64 | x86
All dotnet-install scripts
Visual Studio support
Visual Studio 2019 (v16.2 or later)
Included runtimes
.NET Runtime 2.1.18
ASP.NET Core Runtime 2.1.18
Language support
C# 7.3
F# 4.5

SDK 2.1.611

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Downloads for .NET Core 2.1 SDK (v2.1.611)
OS Installers Binaries
Linux Package manager instructions x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
macOS x64 x64
Windows
x64 | x86
x64 | x86
All dotnet-install scripts
Visual Studio support
Visual Studio 2019 (v16.2 or later)
Included in
Visual Studio 16.0.14
Included runtimes
.NET Runtime 2.1.18
ASP.NET Core Runtime 2.1.18
Language support
C# 7.3
F# 4.5

SDK 2.1.514

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Downloads for .NET Core 2.1 SDK (v2.1.514)
OS Installers Binaries
Linux Package manager instructions x64 | Arm64 | Arm32 | x64 Alpine | RHEL 6 x64
macOS x64 x64
Windows
x64 | x86
x64 | x86
All dotnet-install scripts
Visual Studio support
Visual Studio 2017
Included in
Visual Studio 15.9.23
Included runtimes
.NET Runtime 2.1.18
ASP.NET Core Runtime 2.1.18
Language support
C# 7.3
F# 4.5

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 2.1.18

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)
12.1.20105.18
*
Downloads for ASP.NET Core 2.1 Runtime (v2.1.18)
OS Installers Binaries
Linux Package manager instructions x64 | Arm32 |