If you have bought GTA 5 or another Rockstar game then you will need to activate this key through the Rockstar Games Website.
Rockstar keys will NOT activate on Steam
Step 1 - Create a Rockstar Social Club account and log in
- Head to https://socialclub.rockstargames.com
- Click 'Join Social Club' and sign up for an account, if you do not already have one.
If you are already a member of the Rockstar Social Club, click 'sign in' to access your account.
To activate GTA 5
- On your Rockstar Social Club profile page, scroll to the bottom and click on the "Activate Grand Theft Auto V PC Now" image
- Hit "Use Rockstar Code" on this page
- Enter your code in the box and hit "Activate"
- You can then confirm the order and hit "Download for Windows"
- This will download the set up tool. You can use this to install and play Grand Theft Auto V.