Steam Activation Search FAQ Steam Key Activation To activate your Product Key on Steam, first install the Steam Client Application. After downloading and launching the app, follow the steps below. Install the Steam Client Download the Steam Client Application from the official Steam page. Download Steam Client Activate your Steam key 1Open Activate a Product on Steam Sign in with your Steam login, select ADD A GAME, and then choose Activate a Product on Steam. 2Continue activation When the Product Activation window opens, select Next. 3Accept the Steam Subscriber Agreement Select I Agree to accept the Steam Subscriber Agreement and continue. 4Enter your product code Copy the game key and paste it in the Product Code field, then click Next. ¿Te ha resultado útil este artículo? 👍 SÍ 4 👎 NO 0 Gracias por tus comentarios.