What has 50 amazing chiptune tracks, a loony story mode, 32 different chicken types to fight, and takes you on a tour of all your favorite retro games? It's Old School Musical! Tib and Rob are the heroes of a wacky adventure that will teach them where all of the bugs in our favorite games come from.
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