TurboCad 2019 has an issue with upgrade downloads that the software requests a Licence key but this is neither the serial number nor Activation Code that IMSI provide with the software download link. As yet I have been unable to use the software because the download link and emails do not allow the software to be used. Designer = 2D  Deluxe = 2D/3D  Professional = AutoCAD-like interface  Platinum = Symbols, Scripting, and SDK