Save your files to an external hard drive or disc, or save your files to another folder on the network, if applicable.
Go to your computer’s “Start” menu, right-click on “Computer,” then select “Properties” from the menu that appears. Your computer name will be shown below “Computer name, domain, and workgroup settings. "
Open your “Start” menu, then click on “Shut Down. "
Select your language from the “Install Windows” page, then click on “Next” to proceed. Read and review the Windows 7 license terms. In order to proceed to the next screen, you will be required to place a check mark in the box next to “I accept the license terms. " Select “Custom” when prompted to indicated the type of installation you want to perform. Select “Drive options (advanced)” when asked where you want Windows installed. Choosing this option will allow you to select the C drive as the only drive you want to format. Click on your “C” disk drive when Windows asks which partition you want to “change,” or install. Your computer will then begin formatting, or erasing, all the data currently existing on your C drive. Windows will notify you when the formatting procedure has finished.
