On the picture you see “UserName” and “Password”. There you add your facebook username and password and click on “Save”

You can add all your accounts you have. There is no limit. Just add the details of your next account in the form and click on “Save”. You can see all your accounts in the dropdown menu and you can easily select the account you want to work with.

If you want to remove an account from the dropdown menu, just select the account you want to delete and click on “Remove”.