Steps
- Log into your cPanel >> Domains section >> Domains menu.

- Click the Create A New Domain button:

- Enter the subdomain name to add in the Domain text box:

- Deselect the “Share document root (/home/username/public_html) with “domain.tld”.” option and enter the directory where you want the files for this subdomain to exist:

- Click the Submit button:

That’s it!