The .NET Framework 4.7.1 web installer for Windows

View products that this article applies to.

This article describes the Microsoft .NET Framework 4.7.1 web installer for Windows 7 SP1, Windows 8.1, Windows 10 Anniversary Update, Windows 10 Creators Update, Windows Server 2008 R2 SP1, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016.

↑ Back to the top

About the .NET Framework 4.7.1

The Microsoft .NET Framework 4.7.1 is a highly compatible in-place update to the Microsoft .NET Framework 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7.

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

The offline package can be used when the web installer cannot be used because of lack of internet connectivity. The package is larger than the web installer and does not include the language packs.

When you install this package, you can see that the following packages or updates were installed, depending on your operating system:

On Windows 7 SP1 and Windows Server 2008 R2 SP1, the Microsoft.NET Framework 4.7.1 is listed as an installed product under the Programs and Features item in Control Panel.
On Windows Server 2012, it’s listed as Update for Microsoft Windows (KB4033345) under the Installed Updates item in Control Panel.
On Windows 8.1 or Windows Server 2012 R2, it's listed as Update for Microsoft Windows (KB4033369) under the Installed Updates item in Control Panel.
On Windows 10 Anniversary Update, Windows 10 Creators Update and Windows Server 2016 it’s listed as Update for Microsoft Windows (KB4033393) under the Installed Updates item in Control Panel.

↑ Back to the top

Download information

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

Download the Microsoft .NET Framework 4.7.1 web installer package now.

For the Microsoft .NET Framework 4.7.1 (Offline Installer):

Download the Microsoft .NET Framework 4.7.1 offline installer package now.

For Windows RT 8.1:

Download the Microsoft .NET Framework 4.7.1 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.

↑ Back to the top

More Information

For more information about the Microsoft .NET Framework 4.7.1, see the .NET Framework 4.7.1 known issues.

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, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7.

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 of 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 apply this update.