1) Please check if there is an unzip application installed in your computer, such as "Zipeg" at www.zipeg.com
2) The web app file "cloudftp_webdav.zip" is downloaded and saved inside the "cloudftp_webdav" folder.
3) Double click the "cloudftp_WebDav.zip", it will unzip the file to become "cloudftp".
4) Drag the "cloudftp" file and paste it into the USB thumb drive or flash drive.
5) After that, insert the USB thumb drive or flash drive to the iUSBport / CloudFTP unit to refresh app.