You can link your account by:

• Launching the Game through Ubisoft Connect or Steam
• Clicking on the "Link" Button located at the lower left corner of the Main Menu
  • You will be prompted to choose which platform to link your Ubisoft Connect account / Steam account to (Grow ID, Apple ID, Google account) so you can share your progress.
  • There will be a confirmation screen for safety that follows the selection step.
• Once the account is linked, it will be known as your primary account.
• If you logon to a device that has a Guest account, you will be promoted with a profile select screen where you can choose which account data you wish to use and keep . However, make sure to choose carefully as the choice will be final and the data of the other account will be lost.