fmPreferences - FTP Connection.
FTP connection is not required, you may skip it. FTP is used for images - downloading and uploading images for products, categories and manufacturers.
If there is no valid FTP connection specified, you will not be able to view images and upload them to your server.
See an example of properly configured FTP below:
FTP settings:
Advanced settings:
Click "Test Connect" button to verify whether all settings you have specified are correct. You should see "Connection Successful" message. Press OK to save settings and begin work.