Microsoft Windows 7 Service Pack 1 (Read about Microsoft Windows 8)is now available for download, Service Pack 1 combines a number of updates and improvements into a single download. The file size is 537 MB for 32-bit users and 903 MB for 64-bit users, it contains a number of bug fixes and security patches.From a feature point of view, only minor enhancements are added, such as HDMI audio support. Most of it is hotfixes and security patches for stability. Windows 7 and Windows Server 2008 R2 SP1 will help you: Keep your PCs supported and up-to-date Get ongoing updates to the Windows 7 platform Easily deploy cumulative updates at a single time Meet your users’ demands for greater business mobility Provide a comprehensive set of virtualization innovations Provide an easier Service Pack deployment model for better IT efficiency, Windows 7 Service Pack 1 – Performance increase?