The document provides instructions for formatting, partitioning, and installing an operating system on a computer. It explains that formatting erases all data on the hard drive and prepares it to store new information. Partitioning divides the hard drive into separate logical sections. Installing involves copying operating system files to the hard drive so that it can function. The document then outlines a 13 step process for formatting a hard drive and installing Windows XP, including backing up data, setting boot options, creating partitions, formatting partitions, and completing the installation.