The document describes how to install Windows XP on a computer. It provides details on the computer specifications, which include an Intel Celeron 2.66GHz processor and 480MB of RAM. It explains that an operating system is needed to make a computer functional and translates binary codes into readable text. The document then outlines the steps to install Windows XP, which includes booting from the installation CD, deleting existing partitions to make space, formatting the hard disk, selecting additional applications to install, and monitoring the progress bars until installation is complete.