Because this is legacy software, there isn't one "official" download site. Most users rely on community-vetted links or the drivers provided by the chip manufacturer: The Drivers (Crucial): Download the latest D2XX 64-bit drivers directly from the FTDI Chip official site
Open , right-click the unrecognized device (often "BMW Scanner V14x"), and select Update Driver .
: If the app crashes, right-click the shortcut, go to Properties > Compatibility , and set it to run for Windows XP (Service Pack 3) .