Note: If you are running the Jupiter cPanel theme then please refer to the following guide as the steps are slightly different:

How to create an addon domain in the cPanel Jupiter theme

How to create an addon domain in cPanel

This demo assumes you've already logged in to cPanel, and are starting on the home screen.

Now let's learn how to create an addon domain.

Click the Addon Domains icon.

This is the addon domains page, where you can setup additional domain names that point to subdomains of your account.

Enter the new domain name...

Then enter a username.

Enter and confirm a password, then click Add Domain.

That's it! The addon domain has been created.

This is the end of the tutorial. You now know how to create addon domains in cPanel.