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This article describes an update about the Microsoft .NET Framework 4.7.1 for Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2.
The .NET Framework 4.7.1 is a highly compatible and in-place update to the .NET Framework 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7. However, it can run side by side with the .NET Framework 3.5 Service Pack 1 (SP1) and earlier versions of the .NET Framework.
When you install this package, you can see that it's installed as Update for Microsoft Windows (KB4033369) under the Installed Updates item in Control Panel.
The .NET Framework 4.7.1 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:
Download the Microsoft .NET Framework 4.7.1 offline installer package now.
For more information about the .NET Framework 4.7.1 offline installer, see The .NET Framework 4.7.1 offline installer for Windows.
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.
For more information about the .NET Framework 4.7.1, see the .NET Framework 4.7.1 known issues.
The .NET Framework 4.7.1 Windows Update bundle also co-installs an update that includes critical reliability fixes for the product.
For more information about the various command-line options that are supported by this update, see the "Command-Line options" section of the .NET Framework Deployment Guide for Developers on the MSDN website .
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.
Microsoft .NET Framework 4.7.1, Windows 8.1, Windows RT 8.1, and Windows Server 2012 R2
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