Go to https://the IP address:2096 replacing "'the IP address'" with the IP address of your server. This IP address is provided in your welcome email or can be found in your cPanel under General Account Information on the left. You can also use https://yourdomainname.com:2096 replacing the "'yourdomainname.com'" with your domain name. This will display two or three security warnings that you should click on, yes for each one.