The document provides step-by-step instructions for installing Windows 7 on a computer from a DVD. The process involves booting the computer from the Windows 7 DVD, selecting the language and keyboard settings, accepting the license agreement, choosing an installation type, selecting the installation location, providing a username and computer name, activating Windows with a product key, configuring updates and time zone, and selecting a firewall setting based on the computer's location. Upon completing these steps, the Windows 7 installation is finished.