Legacy Update: Get back online, activate, and install updates on your legacy Windows PC

This tool detects and tries to fix some frequently occurring issues with the setup of Microsoft .NET Framework or with updates to the Microsoft .NET Framework.

• This tool troubleshoots common issues with the setup of Microsoft .NET Framework or with updates to Microsoft .NET Framework setup installation. Additionally, this tool tries to resolve these issues by applying known fixes or by repairing the installed product.
  
  Note: The current version of the tool supports repairing the .NET Framework 4.8, 4.7.2, 4.7.1, 4.7, 4.6.2, 4.6.1, 4.6, 4.5.2, 4.5.1, 4.5, 4.0 and 3.5 SP1 (includes .NET 3.0 SP2 and .NET 2.0 SP2).

Files

Status: Live This download is still available on microsoft.com. The downloads below will come directly from the Microsoft Download Center.

File	Size
NetFxRepairTool.exe SHA1: 6e6a8dc4693e154e8194cf024dc24c6e7d5b6edf	1.11 MB

File sizes and hashes are retrieved from the Wayback Machine’s indexes. They may not match the latest versions of files hosted on Microsoft servers.

• 
  Note: More information about Service Pack levels currently supported for the platforms listed above can be found in the following page: Microsoft Product Support Lifecycle.

• 1. Click the Download button on this page to start the download.
  2. Do one of the following:
  • To start the installation immediately, click Run.
  • To save the download to your computer for installation at a later time, click Save.
  • To cancel the installation, click Cancel.