cPanel: How to make a new subdomain
Subdomains can be used for a new mobile website or just to create a new platform for your business. First, you need to enter your cPanel account, how – here.
Next, you need to find menu Subdomains
After that to enter needed info:
Subdomain: The subdomain name that you need to create.
Domain: Which of the domain that you have need to have this new subdomain.
Document Root: It will be auto-field and you don`t need to change it.