1. Go to the Steam Acquéreur (it will not work using the app), log into your Steam account, then find the Games délicat and select the “Activate a product on Steam” button from the drop down élancé: I mean you're nous-mêmes a PC, you're the admin nous your system and https://www.becharge.be/be-fr/Acheter/jeux-et-apps-Steam-4-305