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This article describes the Microsoft .NET Framework 4.6.1 RC (Web Installer) for Windows Vista Service Pack 2 (SP2), Windows 7 SP1, Windows 8, Windows 8.1, Windows 10, Windows Server 2008 SP2, Windows Server 2008 R2 SP1, Windows Server 2012, and Windows Server 2012 R2.

About the .NET Framework 4.6.1 RC

The Microsoft .NET Framework 4.6.1 RC is a highly compatible in-place update to the Microsoft .NET Framework 4, the .NET Framework 4.5, the .NET Framework 4.5.1, the .NET Framework 4.5.2, and the .NET Framework 4.6.

The web installer is a small package that automatically determines and downloads only the components applicable for a particular platform. The web installer also installs the language pack matching the language of the user's operating system.

The offline package can be used in situations where the web installer cannot be used due to lack of internet connectivity. This package is larger than the web installer and does not include the language packs.

When you install this package, you can see following packages or updates installed as per operating system:

  • On Windows Vista SP2, Windows 7 SP1, Windows Server 2008 SP2, or Windows Server 2008 R2 SP1, the Microsoft.NET Framework 4.6.1 RC is as an installed product under Programs and Features in Control Panel.

  • On Windows 8 or Windows Server 2012, it's as Update for Microsoft Windows (KB3088521) under Installed Updates in Control Panel.

  • On Windows 8.1 or Windows Server 2012 R2, it's as Update for Microsoft Windows (KB3088547) under Installed Updates in Control Panel.

  • On Windows 10, it's as Update for Microsoft Windows (KB3088572) under Installed Updates in Control Panel.

Download Information

The following files are available for download from the Microsoft Download Center:
DownloadDownload the Microsoft .NET Framework 4.6.1 RC (Web Installer) package now.

For Microsoft .NET Framework 4.6.1 RC (Offline Installer):

DownloadDownload the Microsoft .NET Framework 4.6.1 RC (Offline Installer) package now.

For Windows RT:

DownloadDownload the Microsoft .NET Framework 4.6.1 RC package now.

For Windows RT 8.1:

DownloadDownload the Microsoft .NET Framework 4.6.1 RC package now.


For more information about how to download Microsoft support files, see How to obtain Microsoft support files from online services.

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

More Information

For more information about the Microsoft .NET Framework 4.6.1 RC, see the .NET Framework 4.6.1 RC Readme File.

This version of the .NET Framework runs side-by-side with the .NET Framework 3.5 SP1 and its earlier versions, but performs an in-place update for the .NET Framework 4, the .NET Framework 4.5, the .NET Framework 4.5.1, the .NET Framework 4.5.2, and the .NET Framework 4.6.

Command-line switches for this update

For the information about the various command-line options that are supported by this update, see the "Command-Line options" section on the MSDN website the .NET Framework Deployment Guide for Developers.

Restart requirement

You may have to restart the computer after you install this update. We recommend that you close all applications that are using the .NET Framework before you install this update.

Applies to

The .NET Framework 4.6.1 RC (Web Installer) supports the following operating systems:

  • Windows Vista SP2

  • Windows 7 SP1

  • Windows 8

  • Windows 8.1

  • Windows 10

  • Windows Server 2008 SP2

  • Windows Server 2008 R2 SP1

  • Windows Server 2012

  • Windows Server 2012 R2


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