How to activate Steam Game Key / Code Gameflip Help September 10, 2019 01:15 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? How to redeem a Steam Gift Card or Wallet Code How to redeem Steam Gift What is the Gameflip Guarantee? Why is my listing On Hold? (Buyer Dispute) Comments 0 comments Article is closed for comments.