I am trying to install AutoCAD 2013 onto my new laptop, and whenever I try to activate, it says the license (an educational) is already in use on another computer. This was the case - I couldn't install on my old laptop, and I had to use a work machine. When I got my new laptop last week, the user of the other computer, who had generously lent me use of it until mine arrived, uninstalled without transferring the license. Now, I can't use the license, and Autodesk won't get back to me on the subject (communications stopped on Thursday).
AutoCAD 2013 Windows 64-bit, running on a Windows 7 machine, in case that matters. All hardware specs exceed minimum requirements.