Log in to your cPanel
In the Domains section, click Addon Domains.
Now, add required details:
|New Domain Name:||Enter the domain name (e.g. mynewdomain.com) you are adding to your cPanel account.|
|Subdomain / Ftp Username:||When adding a new domain to your cPanel account, an additional FTP user for this domain is automatically configured.|
|Document Root:||The document root is the directory where the files for this website will be placed. The default directory for new domains is public_html/NewDomain|
|Password||The password you enter here is the FTP password for the FTP user mentioned above.|
|Password (Again):||Enter the above password again to ensure you are typing it correctly.|
Click on “Add Domain” button and you are done.
You can see list of all domains on this page.