The document describes the steps taken to install the hardware components of a new PC, including installing the power supply, motherboard, RAM, CPU, heat sink, graphics card, sound card, network interface card, hard drive, optical drive, and floppy drive. After assembling the hardware, the writer goes through the Windows XP installation process, which involves accepting the licensing agreement, choosing an installation location, formatting the hard drive, selecting a language preference, entering a product key, setting up an administrator account, and configuring network and settings before finalizing with a restart.