Hey Corey Edward Guerin ,
You would not need to buy again! You are purchasing a license which can then be activated, deactivated and reactivated as many times as you would like. Once within Gameshow, you may find your license under the Preferences.
i stream piano (Mac) and gaming (Windows). So you're saying that to stream one or the other, I will have to buy 2 licenses, or deactivate and reactivate each time?
It should work on both. If it does not, let us know at that time and we will fix it for you.