how can i run my auto cad on 64 bit windows 7. what to do. my id is Please do not post your @mail (that way u are helping to spread the spam), u will be automatically notified in your email when someone post a fresh line in your thread.
Such products usually come with a dongle for licensing. Or maybe use a driver to authenticate the license at kernel level. In either case, that driver needs to be 64-bit. And this is the problem with old secured apps in general.