As of the release of the Rockstar Game Launcher, you can only activate Rockstar codes via this application. Activation through the Rockstar Social Club website is not available anymore.
1. Open the Rockstar Game Launcher and log in to your Rockstar account.
2. Navigate to the ‘Store’ tab within the launcher.
3. Select the ‘Redeem Code’ button.
4. Enter your activation code when prompted and follow the steps to complete the activation process.
