1) Once you log into Control Panel (cPanel), check for “Domains” Section. 2) Within that section, you can find “Subdomains”. Please click on it. 3) Enter the Subdomain you would like to add. Make sure that you select the appropriate domain from the drop down menu, for which you wish to add the sub domain. 4) Document Root would be taken by default. So, please don’t change that. 5) Click on “Create” button to get the subdomain added.