WWT is a powerful (and free!) visualization program that gives you instant access to the most complete collection of astronomical imagery available. This depth and breadth is accessed through a rich interface that becomes intuitive once you understand how it works. This page guides you through some resources designed to help you through the learning process.
To learn more about the WWT user interface, watch this overview talk by WWT Principal Architect, Jonathan Fay. This video highlights a few of the many, many views available in WWT for exploring the Universe.