How to activate Steam Game Key / Code Gameflip Help June 19, 2019 12:50 Updated Follow Steam Activation Code Launch Steam and log into your account. Go to Games then click on Activate a Product on Steam... Enter the code you purchased. Go to your games list in Steam, highlight the game, and click install. Related articles How do I activate my digital code? What is the Gameflip Guarantee? How to redeem Steam Gift How to redeem a Steam Gift Card or Wallet Code Why is my listing On Hold? (Buyer Dispute) Comments 0 comments Article is closed for comments.