I did the one time activation with my play store account, everything Android works fine. Can I use the same details for activation on the Windows 10 Store app or do I have to pay again?
Activations are tied to the appstore. You will need to purchase it again in the Microsoft Store.
Okay, thank you for your reply.
Just to add to this.
The Microsoft store app hasn’t been updated for a long long time.
You could install Plex Media Player on Windows which is totally free and often updated.
I’ll give it a try, cheers.