1. Log into cPanel on the account to add the subdomain on.
2. Click "Domains" under the "Domains" section.
3. Click the "Create A New Domain" button.
4. Enter the subdomain name to add in the "Domain" text box.
5. Deselect the "Share document root (/home/username/public_html) with “domain.tld”." option.
6. Enter the directory where you want the files for this subdomain to exist.
7. Click the "Submit" button.