The driver update tool – is a utility that contains more than 27 million official drivers for all hardware, including elm327 usb interface driver.. This article will guide you how to install elm327 usb cable/scanner on your windows computer. it will then work with any obd2 software and your car. (if elm327 usb isn't setup properly as per instructions below — then obd software will not even detect the cable — let alone connect to the vehicle.). Click here for complete step-by-step guide, including driver files for correctly installing your elm327 usb cable interface (or bluetooth) to windows.. supports both clone china elm327's and genuine elm327's by elmelectronics..