I've had PP about 2 yrs now, bought a new controller from Tormach with PP already installed on the hard drive.

But I'm wondering how to re-install PP from a backup onto a new PC if this controller should fail.
Buying a new controller from Tormach (if it happens) is not an option anymore, but as this came pre-installed without any program CD or thumb drive to re-install the program onto another computer, how would I do it?
Is it possible to make a backup of the program, or how would I install again from scratch onto an empty drive?