I would give zero stars if possible. I invested a lot in this firm, their softwares, and specific formation for nothing. They refuse to support older versions of their software even though they got thousands of euro from my side, and for support I mean the chance for activating their products. This is absolutely a nonsense. I purchased their softwares and I'm not be able to activate them anymore. They provide answers empty and blind, it seems to get messages from a bot. Their support is limited to 5 years also for activating the products. I never experienced a blind policy like that one, they let you feel that they care nothing. I received more assistance by people like me who owns their software and like to help others in forums, but they doesn't get any income for it. Congrats Autodesk