Free Steam Game - Dirt Showdown
1/12/20171. Go here
2. Login / Register to the Humble Store
3. Click "Get it Free!" to add the game to your cart
4. Go to your Humble library to redeem the Steam key
5. Activate it via Steam
Bonus:
Best of 2016 PC Games Sale
Mystery Bundles
Kinguin Extreme Sales
Kinguin Paypal Sales