- Download and install the Rockstar Games Launcher:
https://socialclub.rockstargames.com/rockstar-games-launcher - Sign in with your Rockstar Games Social Club account
- Click your avatar in the top right
- Select Redeem Code
- Enter your Rockstar Activation Code into the field
If non of the solutions worked well , Download this version of Social club and setup Social Club v1.1.5.8 .