Windows 8 and Windows Server 2012 Cumulative Update

Windows 8 Client and Windows Server 2012 General Availability Cumulative Update.


Quick Facts

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This cumulative update package provides a collection of performance and reliability improvements to Windows 8. We recommend that you apply this cumulative update as part of your regular maintenance routines.


This cumulative update includes the following performance and reliability improvements:

  • Increased power efficiency to extend battery life
  • Performance improvements in Windows 8 applications and Start screen
  • Improved audio and video playback in many scenarios
  • Improved application and driver compatibility with Windows 8

Known issues

The following known issues may occur after you apply this update:

  • When you turn a Windows feature on or off, the computer may require a restart. For example, this action may be necessary when you turn Remote Access on or off.


To apply this update, you must be running Windows 8 or Windows Server 2012.