Install Windows OS with formatting computer Warning - Formatting hard drive information does not permanently erase the data. Even after a computer has been formatted, deleted files can be easily recovered. If you want to permanently wipe your hard drive by completely overwritting hard drive data, check out WipeDrive . To format your hard disk during Windows 7 installation, you'll need to start, or boot, your computer using the Windows 7 installation disc or USB flash drive. Turn on your computer so that Windows starts normally, insert the Windows 7 installation disc or USB flash drive, and then shut down your computer. Restart your computer. Press any key when prompted, and then follow the instructions that appear. On the "Install Windows" page, enter your language and other preferences, and then click Next. If the "Install Windows" page doesn't appear, and you're not asked to press any key, you might need to change some system setting...
