To manage your Ubisoft account and to add or remove linked accounts, visit the Ubisoft Account Information page.
To link an account.
The first time you open an Uplay enabled game you will be prompted to enter your Ubisoft email address and password. Once done, this will link your two accounts.
Alternatively you can visit the Ubisoft Account Information page, at the bottom of this page you will find the account linking options as you can see in the image below. Simply click on the Link Account button and follow the on-screen prompts to sign into the respective account.
To unlink an account.
If you would like to unlink your Ubisoft account from Facebook, Google, Twitch, XBL Gamertag or your Playstation ID, please go to the Ubisoft Account Information page and scroll to the bottom of the page to view your account links. Click Unlink for the relevant account.
To unlink your Ubisoft Account from your Wii U ID, please contact our support team.
If you encounter any problems with the account linking via our Ubisoft website, please get in touch with us.