Microsoft .NET Framework 4.7.2 for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2

This article describes an update for Microsoft .NET Framework 4.7.2 on Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2.

Microsoft .NET Framework 4.7.2 is a highly compatible and in-place update to .NET Framework 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, and 4.7.1. However, it can run side-by-side with .NET Framework 3.5 Service Pack 1 (SP1) and earlier versions of .NET Framework.

When you install this package, it is listed as Update for Microsoft Windows (KB4054566) under the Installed Updates item in Control Panel.

Microsoft .NET Framework 4.7.2 is available on Windows Update and on Windows Server Update Service (WSUS). It will be offered as a recommended update on Windows Update.

Note A recommended update may be installed automatically on all supported platforms based on your computer settings on Windows Update.

The following files are available for download from the Microsoft Download Center:

• For all Windows operating systems except Windows RT 8.1:
  
  Download the Microsoft .NET Framework 4.7.2 offline installer package now.
• For Windows RT 8.1:
  
  Download the Microsoft .NET Framework 4.7.2 package now.

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

Known issues

• Applications that rely on .NET Framework to initialize a COM component and that run with restricted permissions may fail to start or run correctly, and return "access denied," "class not registered," or "internal failure occurred for unknown reasons" errors.
• For information about the known issues in .NET Framework 4.7.2, see .NET Framework 4.7.2 Known Issues.

Command-line switches for this update

For more information about the various command-line options that are supported by this update, see the “Command-Line options” section in .NET Framework deployment guide for developers.

Restart requirement

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

Supported operating systems

Microsoft .NET Framework 4.7.2 (Offline Installer) supports the following operating systems:

• Windows 8.1
• Windows RT 8.1
• Windows Server 2012 R2