Via RockStar Games Launcher
As a way of placating PC owners of Grand Theft Auto: The Trilogy - Definitive Edition, RockStar Games will offer the original PC versions of the trilogy for no extra cost via the RockStar Games Launcher. These same players will now be the recipient of an extra free game from the studio.
Grand Theft Auto V: Premium Edition
Grand Theft Auto IV: Complete Edition
Max Payne 3
Bully: Scholarship Edition
The condition players must have purchased the Definitive Edition by January 5, 2022 and redeem the above games. Offer is here (sign-in required).
Alternatively, a GTA Online White Shark Card or 55 Gold Bars in Red Dead Online can be claimed if the above games are not if interest.