In the latest DLC for Painkiller Hell & Damnation, players will be able to riot in a fresh urban environment. Be the Tarzan of doom in the concrete jungle surroundings.“We built this city, we built this city on death and souls” (Daniel Garner, demon slayer and “Starship”-fan, 2013).
Open the Steam client, login and locate the Games tab on the top menu. Click this and then select “Activate a Product on Steam…”
Enter your unique code that's displayed on the 'Orders' page of CDKeys.com and follow the prompts to activate.
Your game is now viewable in the “Library” tab and is available to download/install when you’re ready. You can find additional support for the Steam client here: https://help.steampowered.com/en/wizard/HelpWithSteam