Windows 7 Service Pack 1 (SP1) 64-Bit is an important update that includes previously released security, performance, and stability updates for Windows 7. 32-Bit is available here.
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.
Installing SP1 helps keep Windows 7 up to date.
Windows 7 SP1 helps keep your PCs and servers on the latest support level. It also provides ongoing improvements to the Windows Operating System (OS) by including previous updates delivered over Windows Update and continuing incremental updates to the Windows 7 platforms based on customer and partner feedback. This enables organizations to deploy a single set of updates.
Windows 7 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