Amazon Prime Gaming frequently offers Rockstar Games launcher codes for older titles (like Max Payne 3 or L.A. Noire ). If you have a Prime subscription, you aren't paying for the game—so technically, it's "free."
If you obtain a valid code (e.g., from a friend or a bundle), follow these steps in the Rockstar Games Launcher rockstar games launcher activation code free hot
This is a common error if you’ve recently reinstalled your OS. If the launcher says your code is in use: from a friend or a bundle)