That was the problem, my login doesn't carry over from windows to the store. It had stuff in my library, so I thought it had, but that's only the free stuff.

Thanks!

I've purchased the product on my main PC through the Windows 10 store. Two questions. 1) it doesn't know I've purchased it on my plex server. Do I have to purchase it on every machine I want to use it? How does licensing work? This all for my use, I just have two machines sitting in front of me. 2) ...