Sorry I did not see the original post admin can edit The actual update includes the following 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 There’s also a known issue in Windows 8 that has not been fixed yet. 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.