When you complete your purchase, you can immediately register the software using your Hybrid Constructs account. Chaser and StageFlow can be registered on 3 computers each, Pulse on 2.
You can unregister the same way as you registered or online if the computer is no longer accessible.
When you need to use the software on more computers a the same time, you can change the quantity above. Each additional license comes with another 3 computers (Chaser and StageFlow) or 2 computers (Pulse).
The same license can be used on both PC and Mac.