Downloading individual attachment from form
Click the red circle paperclip icon next to the form you wish to download an attachment from.

OR
Within the relevant form, click
Morein the top toolbar and selectFilesfrom the drop down menu.
A dialog will appear with all of the files currently attached to your form. Click anywhere on the row to download the attachment OR click the three dot icon in the row of the attachment and Select
Downloadfrom the drop down menu.