how to sync Firefox

Hello, To sync data, you first need a mozilla account. Click the profile icon, then click the menu button, then click sign in to sync, then sign in using your credentials, then verify accordingly. To choose what data to sync, click the menu button, then select settings, go to sync, and check the boxes or uncheck them accordingly for : Bookmarks, Passwords and logins, Open tabs, History, Add-ons and settings.