I forgot to add that it also expires after a certain amount of time, but you can renew it (free I think). It isn't bad if you just want to learn the program though. The learning curve was too steep for me. I hear too many good things about Lightwave which I've considered.

Poser 2, 3, 4, 5, 6, 7, 8, 9, 10, Pro 2014, 11, 11 Pro