No more DCPromo, Just add roles and you can promote as a DC
Open Server Manager
Choose Add Roles and Features
Choose Role-Based or Feature-Based installation
Make Sure it reflects the right Ip address . If it doesn’t Close Server manager and Reopen it
Choose Active Directory Domain Services
Now role is added but , It's not a Domain Controller Yet
Click on More or the Flag
Choose Promote this Server to a Domain Controller
Choosing "Add a New forest"
It does have Function level of Windows Server 2003 to Windows Server 2012
You can skip it.
More information :
What is DNS Delegation
Choose the NetBios Name
Leave it as default
If you are planning to promote more Domain Controllers , You can Use a Script like below
Which will give us more ease of deployment
Now to Access your Active Directory Services. use the Windows Start Button to access the features
Pin the important ones to start menu. So that it will be easily accessible for you.