I use Alibre on 2 computers, however I am only able to install Hypershot on 1 of them. Is this a license restriction, or can I install Hypershot on 2 PC's as well?
Hypershot licence is locked to a single PC - that's just the way Bunkspeed licensing policy is. So you have to decide which PC will either be most convenient for your rendering, or which one will render fastest.