Rocket League - Supersonic Fury Game Keys

Go to: http://store.steampowered.com/ and download STEAM client
Click "Install Steam" (from the upper right corner)
Install and start application, login with your Account name and Password (create one if you don't have).
Please follow these instructions to activate a new retail purchase on Steam:
Launch Steam and log into your Steam account.
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process.
After successful code verification go to the "LIBRARY" tab and start downloading.

Expand your Rocket League customization options with Supersonic Fury DLC Pack! This add-on includes: 2 new Battle-Cars, Dominus and Takumi 6 unique Decals for each new Battle-Car (12 total) 5 new Paint Types 2 new Rocket Boosts 2 new Wheels A futuristic Sports-Action game, Rocket League, equips players with booster-rigged vehicles that can be crashed into balls for incredible goals or epic saves across multiple, highly-detailed arenas. Using an advanced physics system to simulate realistic interactions, Rocket League relies on mass and momentum to give players a complete sense of intuitive control in this unbelievable, high-octane re-imagining of association football.