In case you don't have it and don't want to "buy" it, Autodesk is offering there programs, free, for a 3 year license.
http://students.autodesk.com/
why the "buy" ?, who could fraud autodesk
Develop games in your browser. Powerful, performant & highly capable.
Yeah, it's a great move by autodesk. My university is participating in this programm so i could download all the stuff i need. Maya, Mudbox, XSI.