Point it to the folder where you unzipped the downloaded drivers.

If the CH340 doesn't work, your unit likely uses an FTDI chip. Download the "VCP Drivers" from the FTDI Chip website.

If Windows 10 did not automatically install the driver or the device shows as "Unknown Device":

Cyl6602 Usbdmx512 Driver Windows 10 Full //top\\ -

Point it to the folder where you unzipped the downloaded drivers.

If the CH340 doesn't work, your unit likely uses an FTDI chip. Download the "VCP Drivers" from the FTDI Chip website. cyl6602 usbdmx512 driver windows 10 full

If Windows 10 did not automatically install the driver or the device shows as "Unknown Device": Point it to the folder where you unzipped