To transfer your subscription to a different PC, there are two different methods:
Logging out of Dante Studio
Logging out of the Dante Studio UI will deactivate your license on that PC.
Restoring the License on the web interface
Alternatively, if you do not have access to the PC or Dante Studio UI, you can recover the license by following the steps here.
In either case, the license will be automatically transferred when you log in to Dante Studio on another computer.