Once you launch the game:
Select Create account if you do not already have a Ubisoft account.
2. Sign in to your Ubisoft account.
3. The linking process will be completed once you have successfully logged in.
If your account has an Ubisoft+ anywhere subscription, purchased through Stadia, you will be unable to unlink the accounts while the subscription is still active.
Do not hesitate to contact us if you have any other questions.