1. Log in the Customer Control Panel with your main account’s username and password you used when you signed up for the account.
2. Click on "Hosted Domains" tab.
3. Click on your domain.
4. Click the "Web" tab.
5. Under the "Web Hosting Settings" section, you'll see the path to where you website is located at for you to upload your files for your site.
6. Now click on this LINK to find your FTP information for your account.
7. Once you get your FTP information, you can upload to the directory you have your domain name pointing to.