Activate Crossplay for Valheim

Rent your own Valheim server at 4Netplayers.com
You can activate crossplay in the settings of your server under Add-Ons.
This allows players from XBox, Microsoft Store and Steam to play together on the same server.
Connect to a Crossplay Server
There are 2 ways to connect to the server.
One is by entering the serveraddress IP:Port
.
The other is a 6-digit join-code that can be used instead of the IP address.
You get the join-code when you connect to the server and press Escape.