You download the program jDownloader for your OS:
You install jDownloader on your computer and then you start it.
You log in your FTP server via a web browser using the button „Direct http access” in Client Area -> Services -> My services -> Product name -> View Details .
You copy the address of the file you want to download.
You go to jDownloader’a, in the FileGrabber bookmark you click on Add URL and paste the address copied before in the following way:
You need to add the following data "username:password@" between http://... and hostname so that the link in jDownloader will look like this:
Where "username" and "password" it's your seedbox user and pass.
In Filegrabber you click on Continue with all.
If everything was done properly, the files added before should start downloading automatically in the Download bookmark.