FTP Account Name: what do you want the login to be? (Required field)
Home Directory: This will be the highest directory they will have access to. By default they have access to / for the Subscription.
Do note they will have access to everything below this point. (Required Field)
New FTP Password and Confirm FTP Password should be self explanatory, type in what the FTP password should be for this user. (Required Fields)
Then click on the OK button and the new FTP user will be created.