This document provides instructions for the first Certificate of Completion (COC1) of the Computer Systems Servicing (CSS) certification. It outlines the tasks needed to install and configure a computer system, including creating a bootable Windows Server installation USB, installing the OS, partitioning the drive, installing applications and drivers, and assembling/disassembling the computer case. Specific steps are provided for formatting the hard drive during OS installation and correctly assembling the computer components back into the case.