Download Microsoft .NET Framework 3.5 Family Update for Windows XP x64, and Windows Server 2003 x64 from Official Microsoft Download Center

Hands type on a Surface Pro 6 with Type Cover

New Surface Pro 6

Stand out from the ordinary

Microsoft .NET Framework 3.5 Family Update for Windows XP x64, and Windows Server 2003 x64

Important! Selecting a language below will dynamically change the complete page content to that language.

Select Language:
Install this update to address a set of known application compatibility issues with Microsoft .NET Framework 3.5 Service Pack 1.