Today the long awaited Windows 7 SP1 was released to the public. SP1 (Service Pack 1) includes past security, performance and stability updates and includes reliability updates for HDMI audio playback, printing using XPS Viewer, and restoring previous folders in Windows Explorer. Sadly gone are the days when the Service packs introduced new features but for Windows users its always worth installing.
“Windows 7 Service Pack 1 (SP1) is an important update that includes previously released security, performance, and stability updates for Windows 7. SP1 also includes new improvements to features and services in Windows 7, such as improved reliability when connecting to HDMI audio devices, printing using the XPS Viewer, and restoring previous folders in Windows Explorer after restarting.” Microsoft Windows 7 SP1 Site
Download SP1 : http://windows.microsoft.com/installwindows7sp1