Return NULL, a Point & Click Adventure, is set in a distant dystopian society under an oppressive force where you play the role of Jack Drebin; husband and soon to be father whose life is on the verge of chaos. Episode 1 sets up key characters and a plot that escalates into an intense finale.
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