These tips can help improve your computer's performance. These examples are for Windows 7, Windows Vista, and Windows XP. However, you'll find that these tips work for all versions of the Windows operating system.
By the way, it is not possible for you to blow up your computer or your files with any of these procedures. These tasks use utilities provided within the Windows operating system to help you to achieve the best system performance. This article does not address tinkering with the registry files.
follow the link
http://www.microsoft.com/athome/setup/optimize.aspx
