The cable that came with it was unlike any he’d seen: a translucent blue ribbon cable with a chunky ferrite bead and the faded label “GEV189.” Online searches turned up nothing but dead forum links and a single archived Russian tech blog from 2009. The driver, supposedly for Windows 10, was listed as “abandoned.”
If driver issues persist, you can convert an Arduino Uno or Nano into a USB-to-TTL download cable: Usb Download Cable Gev189 Driver Windows 10