The link I gave you was for a sample and template.
FTP'ing is not a simple/trivial task. Access does not
have the built in ability to FTP. Windows does have a command line ftp utility that you can use. There are third-party custom controls that you can buy that might be easier for you. There are some freeware versions that are good also.
I am thinking that Chilkat Software has a Lite version of their FTP control that is freeware. You can find a link to then here: Access Developer Tools: Apps, Add-ins, VBA Code