How do I link Cardinal Chains bought here on itch.io with my steam account? I didn't found any key to get the key to insert on steam, does someone know how to do it?
It's itch.io, this website has it's own launcher. You can add this game to steam as a non-steam game (https://www.makeuseof.com/how-to-add-non-steam-games-to-steam-library/#:~:text=To%20add%20a%20non%2DSteam,applications%20installed%20on%20your%20system.)