When you’re prompted to select the operating system you want to install, you have two options.
OPTION 1 Core
OPTION 2 GUI
Select option 2
The first option, Windows Server Technical Preview is the traditional Server Core install that doesn’t include the GUI.
The second option, Windows Server Technical Preview, contains a minimal GUI that includes Server Manager and the other GUI administration tools.
follow the steps..
Now you can assign password for administrator account and login to the server 2016.