This document provides instructions for promoting a Windows Server 2012 machine to a domain controller. It outlines the key steps which are: 1. Configure the server's network settings to use a static IP on the same subnet as the existing domain controllers. 2. Install the Active Directory Domain Services role using the Server Manager tool. 3. Select the option to add the domain controller to an existing domain and provide credentials for the enterprise administrator. 4. Complete the promotion process by defining DNS and global catalog roles, site, and directory services restoration mode password.