Basic parameters for FTP configuration

FTP server: your site’s address (e.g. happyuser.zzz.com.ua).
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. ftpuser@happyuser1.com)
Password: by default, it is the same as for the user panel.
Port: 21
Mode: passive

To connect to the FTP, please follow the instructions here.