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This article describes an update about the Microsoft .NET Framework 4.7.1 for Windows 10 Version 1607, Windows 10 Version 1703 (Catalog Only) and Windows Server 2016 (Catalog Only).

About the .NET Framework 4.7.1

The Microsoft .NET Framework 4.7.1 is a highly compatible and in-place update to the Microsoft .NET Framework 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 it installed as Update for Microsoft Windows (KB4033393) 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.


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

  • For Windows 10 Version 1607 (non-LTSB), the update is available on WU, WSUS and Update Catalog.

  • For Windows 10 Version 1607 (LTSB), Windows 10 Version 1703, and Windows Server 2016, the update is available on Update Catalog only.

Download Information

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

Download 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.

More Information

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.

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 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

Microsoft .NET Framework 4.7.1,Windows 10 Version 1607, Windows 10 Version 1703 (Catalog Only) and Windows Server 2016 (Catalog Only)

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