The IDWedgeBT Keyboard Application Updater requires a special programming cable. The application has on screen instructions on how to perform the update.
The quick guide contains screen shots of the procedure.
IDWedgeBT-Application-Upgrade-Quick-Guide-Rev-2.0
Download the archive below and extract/unzip to a directory on your PC, there is no installation process, simply run the application from the directory you extracted the archive into and use the special programming cable.
IDWedgeBT Keyboard Updater 2.8.zip
The IDWedgeBT Keyboard users manual, with revision history:
IDWedgeBT Keyboard Users Guide Version 2.8.pdf