1. Log into your cPanel account.
2. In the "Domains" section, click on "Addon Domains" Icon.
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3. Under the "Create an Addon Domain" option you should enter your addon domain name, username, and password.
New Domain Name: Your Addon domain name like example2.com
Subdomain or FTP Username: It will be automatically filled in by cPanel.
Document Root: It will be automatically filled in by cPanel.
Password: Enter a new password or use the "Password Generator" button.
4. Click on the "Add Domain" button.
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If the domain is successfully added, you will receive a message like this.
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