Highguard crossplay lets you can team up with any of your friends on PS5, Xbox Series X, and PC, but setting it up is barely explained in the game. So, to help you add your friends across different platforms so that you can play Highguard together through crossplay, I've explained the process below. (Image credit: Wildlight Entertainment)Click the search bar at the top of your friends list and type in their name. Click the playercard, then select 'Send Highguard Friend Request'. Your friend can then check the 'Highguard Friend Requests' tab on their Social menu to accept your request.