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

Update for .NET Framework 4.5 for Windows 8, Windows RT and Windows Server 2012 - KB2805227

• 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 KB2805227 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
Windows8-RT-KB2805227-arm.msu SHA1: 1eea79890dbecaff34082d23adf8d70416a59d61	11.42 MB
Windows8-RT-KB2805227-x64.msu SHA1: 6f184926d1f9b3e70ef2c3400479c6fc7df69b71	20.12 MB
Windows8-RT-KB2805227-x86.msu SHA1: b152e28ad916ff43a8093c6cdd33e3ee373a7936	18.63 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.