Reduce the VM to the necessary components

• CPU 2
• Memory 2GB
• CD/DVD Drive (Attach the installation ISO at this time)
• Network Adapter
• A Disk (which is not shown in this view) of 20GB

 Install Windows 2012R2 Core

Select your proper Time/currency and Keyboard format
Enter License Code
Select “Windows 2012 R2 Standard (Server Core Installation)”
Choose “Custom: Install Windows only (adv…”
Select the Disk and press
An automatic reboot occures when the setup program is finished installing
On the firs login, windows asks for an Administrator password
Voila: your Core Server