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

Update for .NET Framework 4.5 for Windows 7 SP1, Windows Server 2008 R2, Windows Server 2008 R2 SP1, Windows Server 2008 SP2 and Windows Vista SP2 - KB2805226

• Install this update to address compatibility, stability, reliability, and performance issues in Microsoft .NET Framework 4.5. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article KB2805226 for more information.
  
  After you install this item, you may have to restart your computer.

Files

Status: Deleted This download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to August 2020.

File	Size
NDP45-KB2805226-x64.exe SHA1: 33f4f0181dc2176e62455158605f018827664ab7	20.58 MB
NDP45-KB2805226-x86.exe SHA1: 25d0aae6da30a59b8a1c693e1e2aad69871e0c6d	17.00 MB

• 
  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, or select a different language from the Change language drop-down list and click Change.
  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.