If you decide to install SP1 from the Microsoft Download Center, you can take some steps beforehand to make sure that you have a good experience. If you are encountering a problem when you install the service pack from Windows Update, see Troubleshoot problems installing a service pack for Windows 7. If Windows Update does not offer you the option to install the service pack, see Microsoft Knowledge Base article 2498452. A smaller, more appropriate download is available from Windows Update. Important: If you are updating just one computer, do not download the SP1 Network Installation Package from the Microsoft Download Center.

Ī Windows 7 SP1 Network Installation Package for IT Professionals and Developers is also available at the Microsoft Download Center. For more information about how to install SP1 by using Windows Update, see How to install Windows 7 SP1. We recommend that you use Windows Update to install SP1. Windows 7 SP1 is an update to Windows 7 that contains previously released fixes to specific reliability, performance, and compatibility issues.

Windows 7 Service Pack 1 (SP1) is now available.

Update windows 7 service pack 1