How to activate Marvel Avengers Game SEA? SEAGM Admin Updated November 24, 2020 08:41 Step 1: Launch the Steam client software and log into your Steam account. Step 2: Click the Games Menu. Step 3: Choose Activate a Product on Steam. Step 4: Follow the onscreen instructions to complete the process. Buy now! Related articles How to activate Counter-Strike: Global Offensive STEAM How to Top Up Rules of Survival with PUDDING Pay (NetEase Games) How to activate Overwatch (Global)? FAQs: Valorant’s in-game currency How to activate the game CD key? Comments 0 comments Article is closed for comments.