TWO NEW EPISODES. SIXTEEN NEW LEVELS. ONE WAY OUT. Your journey has led you down a path of no return. The acrid smell of death fills the air. And you know the road ahead may lead to your grave. But Quake, with his insidious, apocalyptic plans, must be crushed. If you fail, evil will shroud the universe for all eternity.
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
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