How do I do a clean install of Windows Vista?
Insert the Vista Installation DVD and Start the ProcessPlace the Vista DVD in your computer’s optical disc drive. If you have no earlier installation of Windows, you must insert the DVD and then restart your computer, so the PC can boot from the DVD. Otherwise, let the Vista installer load in your current version of Windows.Start the InstallerClick “Install Now” at the “Install Windows” page. If you have an Internet connection, select the option to “Get important updates for installation” from the Internet. When prompted, enter the 25-character product key that shipped with your Windows Vista installation DVD. After reviewing the software license agreement, click “I accept the license terms” to continue the installation.Complete a Custom InstallationClick the “Custom” option when asked the type of installation you want. Select the drive to which you want to install Windows. Click “Next” to continue without partitioning the disk. If you want to format or divide the drive into partitions