Super Dungeon Bros is a rock-themed dungeon brawler where a band of mighty rock bros must navigate the fantasy realm of Rökheim and its hellish dungeons to seek out epic loot, fight hordes of evil undead and uncover the legends of long lost fabled Rock Stars!
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