Getting licensed and becoming a Ham Radio operator is a great experience and hobby. The process is pretty simple and there are web site like Ham Test Online that can get you up to speed and prepped for the license exams.
There are 3 levels of licensing required to becoming a Ham Radio operator. Starting with the lowest level and most basic is the Technician. This license grants you the privileges of operating on the VHF, UHF and very few HF radio frequencies.
The next level is General. With this license you can operate on almost all of the Ham Radio frequencies.
The highest level for Ham Radio license is Extra. This license class allows operation on all amateur radio frequencies.