Hasse-swe

I have played RCT2 since release. Now days i play it on OpenRCT2. Some friend want to try to play it in multiplayer. I working on to set up a server under Debian 11 (no GUI), but have not been able to get it to work yet. But i can set up a server on a windows 10 computer that runs 24/7 anyway. But do i need to buy an extra copy of RCT2 to just host the server under windows 10?