um...my friends, i have a problem concerning how to download an autoCAD revit archtectures cause am a student and i dont hav things like banking accounts, and am willing to download full versions of them...please could u help letting me know on how to register myself and have unlimited software, cause the one i downloaded of 2012 have given me only 30 days! And i cant stand those few days as per its functions needs a couple of days...so would you help me getting a full vesion my friends so that i can be confortable with it and do somethings awsome & advanced one...