When you perform a clean installation of an operating system, such as Windows 7, you format the operating system partition. The format process wipes the drive clean so that no files or folders from the original operating system or any other program is present on the drive. You may be interested in a clean installation from Windows Vista to Windows 7 if you want to start with a fresh system registry, avoid possible system file conflicts and delete any unnecessary files that might be present on your Windows Vista installation.
Things You'll Need
- Windows 7 installation disk
Put your Windows 7 disc in to your optical disc drive. Restart your computer and wait until you see the message "Press any key to boot from CD/DVD." Press a key to boot from your disk instead of your hard drive.
Click "Next." Click "Install Windows" to enter the Windows 7 installation process.
Scroll through the terms in the license agreement and check the agreement box. Click "Next." Select the Custom installation option.
Choose the hard drive you have Windows Vista installed on. Click "Drive Options" in the options beneath this content section. Choose "Format" and confirm the format process by clicking "OK." Select the formatted drive and click "Next" to install Windows 7 on the clean drive. Once Windows 7 has copied all of the installation files, your computer restarts automatically. Configure your Windows 7 installation to your personal preferences, clicking "Next" to finish the installation.
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