Windows 7, Vista, XP, and 2000 :
Users can use the option during
their installation to Format the drive, or you may delete the drive and
reset it up again. (See individual Guides from the
main page
www.windowsreinstall.com )
Windows NT :
The format is automatic from the NT installation.
Windows 98, ME and 95 :
Start computer up into MSDOS and type "FORMAT
C:\" and then start the windows reinstallation.
Or Restart the computer in MSDOS mode and type
"FORMAT C:\" and then start the windows
reinstallation.