The document provides step-by-step instructions for installing Windows 7 on a computer. It begins with entering the computer's BIOS to select booting from the installation DVD. The user then inserts the DVD, selects language and keyboard preferences, and clicks install. Various installation steps are completed, including copying files, expanding files, restarting, and setting up the user account with username, password, and product key. Upon completion, Windows 7 is installed on the computer.