Microsoft Releases Cumulative Update For Windows 8 GA, Improves Performance And Battery Life

Microsoft today announced a cumulative update for Windows 8 and Windows Server 2012. Microsoft had approximately 8-12 weeks from RTM Milestone to General Availability. Usually Microsoft works with OEMs to deliver variety of new or enhanced components, drivers, and companion software, with the final code for Windows in this period. But this time, Microsoft took extra effort by creating the tools and processes to be able to deliver the “post-RTM” updates sooner than a service pack.

This update will improve performance, power management and battery efficiency, media playback, and compatibility in Windows 8 and will be available through Windows Update starting today.

KB article title:

Windows 8 and Windows Server 2012 General Availability Cumulative Update


Windows 8 Client and Windows Server 2012 General Availability Cumulative Update is available. This cumulative update package provides a collection of performance and reliability improvements that are designed to improve the Windows 8 experience. We recommend that you apply this cumulative update as part of your regular maintenance routines.


  • 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:

  • 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.

Source: Microsoft

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