The videos in the following link were created by cPanel to show you how to get started and how to use WHM (Web Host Manager). You'll need to click the "YouTube" link in the bottom right of the video to see them all:
https://www.youtube.com/playlist?list=PLZk46idJS6s4S2PqAeStUXZYd09YgmCPh (https://www.youtube.com/playlist?list=PLZk46idJS6s4S2PqAeStUXZYd09YgmCPh)