HOW TO ACTIVATE YOUR GAME CODE VIA STEAM
Found a great game that you want to play, but it is on a third party store (like GameRobo.com) ? Products purchased from third party stores require activation on the platform they are designated for. In this case, you can find below a step-by-step guide on how to activate keys purchased from GameRobo.com on the official Steam platform. It is a simple process that takes a couple of minutes.
ACTIVATE VIA THE STEAM APP
Double click the downloaded file and follow the on-screen instructions to install the Steam Application.
Launch the Steam Application and login with your username and password.
If you do not have an account, click the Register link and create one.
Click on the upper left Games menu.
From that menu, select the Activate a Product on Steam.
Follow the On-screen instructions, read the terms and conditions imposed by Steam and enter the CD Key in the designated field.
Have fun playing your new game. You can find your games in the Steam App, by selecting the Library section, from the top left menu.