Alternatively, you can perform manual SP1 install by downloading SP1 update files or using SP1 DVD media disc. You can use automatic Windows Update feature for quick SP1 install. There are number of methods for downloading and installing Service Pack 1 (SP1) software update for free. It include improvements to the operating system in terms of speed and relability.
Windows 7 users can now download Service Pack 1 update for the operating system.
