When you launch The Crew 2 , your game client contacts Ubisoft’s authentication servers. It sends your unique CD key (purchased from an authorized retailer) and your Ubisoft account ID. The server then decides if you may play. Even if you generate a "valid-looking" key, the server will reject it because that key was never issued by Ubisoft.
Ubisoft games regularly go on sale for as much as 80-90% off on platforms like Steam, Epic Games Store, and the Ubisoft Store [1, 2]. A subscription to Ubisoft’s service gives you access to The Crew 2 and hundreds of other titles for a monthly fee [3]. Free Weekends: the crew 2 cd key generator new