Crucial Step: You must choose between (command-line only) and Server with a GUI .
Set a complex administrator password once the system reboots. Installing and Configuring Windows Server 2012 ...
Insert your DVD or USB and adjust the BIOS/UEFI boot order to prioritize the installation media. Crucial Step: You must choose between (command-line only)
Always back up existing data, especially for infrastructure servers like DHCP . 2. The Installation Process Installing and Configuring Windows Server 2012 ...
Before starting, ensure your hardware meets the Microsoft Recommended requirements: 1.4 GHz 64-bit (2 GHz or faster recommended).