
Open your steam browser and hit the menu tab “Games” .
Select “Activate a Product on Steam” .
Then enter the code you received and hit “NEXT>”. After that, you should be able to download the game.
The creators of "The Murder Hotel" and "The Donnerwald Experiment"
Open your steam browser and hit the menu tab “Games” .
Select “Activate a Product on Steam” .
Then enter the code you received and hit “NEXT>”. After that, you should be able to download the game.