1 .Open Server Manager, then select Manage and click on “Add Roles and Features”
2. Click Next on the “Before you begin” window
3. Select Role-based or feature-based installation and then click Next
4 .Click Select a server from the server pool, click the name of the server to install Active Directory Domain Services to, and then click Next
5 .Click Active Directory Domain Services. When the Add Roles and Features Wizard dialog box opens, select Add Features, then Next
6. On the Active Directory Domain Services page, review the information and then click Next
On the Domain Name Services page, review the information and then click Next
Next
Domain Name Server Installation
Review the installations
Now we are ready to install
After installation complete select CLOSE and check the ROLES installed or not .