Basic parameters for FTP configuration
FTP server: your site’s address (e.g. happyuser.for.ug).
Login: the profile FTP account login is the same as your login to the user panel (e.g. happyuser), the domain FTP account contains @ (e.g. firstname.lastname@example.org)
Password: by default, it is the same as for the user panel.
To connect to the FTP, please follow the instructions here.