Easy to follow "How to format a computer" guide with detailed instructions for Windows XP, Windows Vista and Windows 7. This Computer Format Guide will show you how to format your computer with step by step instructions. Instructions are easy to follow and straight to the point. Often used as computer cleanse, clean install, fresh install etc.. with computer format you can get rid of all virus related problems and slow operating system speed. It is recommended to perform a computer format every 6-9 months to avoid system crashes and slow response. Computer Format Guide with easy to follow instructions and detailed guides for Windows XP, Windows Vista and Windows 7