If you loved The Witcher , be sure you don't miss The Witcher 3 Wild Hunt games and accessories available on Xbox One, PS4 and PC.
Digital Redemption Instructions
1. You go to http://www.gog.com/redeem
2. Enter the code
3. The game is unlocked if you have an account and you logged in.
4. If you don't have an account it will ask you to make one
5. After that the game is present on your virtual shelf and you can download it.
This games requires the GOG client to install and play.