Please have them test as host anyway.
Ck2 is free to play on Steam now, so that's a good test too.
And finally, when you start Eu4 there are 3 MP options shown, Please try all 3!
Ck2 is free to play on Steam now, so that's a good test too.
And finally, when you start Eu4 there are 3 MP options shown, Please try all 3!