Download Security Update for Windows Server 2008 R2 x64 Edition (KB2803821) from Official Microsoft Download Center

A Surface Pro, a Surface Pen, a Surface Arc Mouse

Surface Pro

Ultra-light and versatile

Security Update for Windows Server 2008 R2 x64 Edition (KB2803821)

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

Select Language:
A security issue has been identified in a Microsoft software product that could affect your system.