Ubisoft Activation Key Generator — Link
There is as a functional, legitimate Ubisoft activation key generator.
Modern Ubisoft games require a unique, one-time-use code that is verified against Ubisoft’s live servers upon activation. Ubisoft Activation Key Generator
If you have already purchased a game and are being prompted for a key, you can find it through official channels: There is as a functional, legitimate Ubisoft activation