cPanel/WHM installation is easy and straightforward.
1. Login to the client area;
2. At the top menu select "Services > My Services";
3. Choose VPS from service list and press the "View details" button;
4. At the bottom of the page, find VPS control panel and press the "Install OS" button. Choose "cPanel & WHM + CentOS 7 (64-bit)".
After 5-10 minutes, OS would be installed. Access cPanel/WHM: