Adding Websites using Domain Names
You can host additional web sites in your hosting plan by adding new domains that you have registered. There are 2 steps to follow.
1) This tutorial explains how to add new domain names to your web hosting control panel.
2) Once added, you need to ensure that you have changed the domain name servers to point to your web hosting account. The correct name servers for your account are contained in your Hosting Welcome Email. See How to Change Domain Name Servers.