1. Login to cPanel.
2. Locate and click on the "Addon Domains" icon under the "Domains" category

Enter the required information:

• New Domain Name - The domain name you are adding to your account.
• Document Root - Folder within the master domain's root directory to hold files for the new domain.
• FTP Username - Create FTP user for the new domain.
• Password - Password for the user defined above.
• Password (Again) - Confirm the password.

3. Click the "Add Domain" button to create the addon domain.

Note: This will only work if the addon domain's DNS servers are set to the same as the master domain's.