If you own a dongle for ArtCAM 2011 64bit, you are sitting on a goldmine. It is still perfectly usable for creating STL files, generating G-code for routers (ShopBot, Multicam, Biesse), and producing lithophanes or 3D signs. If you do not own a license, pursuing “ArtCAM 2011 64bit top” cracks is futile and dangerous (malware risk). Buy Vectric Aspire instead—it is the spiritual successor.