Overlord: Fellowship of Evil is an Action RPG filled with the series’ black humour and penned by award-winning scriptwriter Rhianna Pratchett. Players embark on an epic new quest in single-player or with up to three friends in co-op, assisted by the mighty, maniacal and occasionally moronic minions.
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