Installing cPanel/WHM is simple and quick. Just follow these steps:
Log in to the client area.
Navigate to “Services” > “My Services” in the top menu.
Select your VPS from the service list and click “View Details.”
Scroll to the bottom of the page, find the VPS control panel, and click “Install OS.” Choose “cPanel & WHM + CentOS 7 (64-bit).”
Within 5-10 minutes, the OS will be installed. You can then access cPanel/WHM using the following links:
WHM: https://your_server_ip:2087/
cPanel: https://your_server_ip:2083/