Note: sometimes an error appears, just try again, a lot of people are trying which is overloading the servers. ALSO ITS NOT FOR STEAM
- Go to the giveaway page:
https://freetrial.ubisoft.com/promotions/watch-dogs-1/8/ - Register/Login (Its uplay, ubisoft, you may have the account already)
- After you login, click on “Yes Use this Account”, and the game will be added to your account.
