Avoid third-party "driver updater" software. They often install generic serial drivers that break CAN functionality.
Locate the device, which will likely appear under Other Devices with a yellow exclamation mark (often labeled "USB-CAN" or "Unknown Device"). Right-click the device and select . itek usb can driver
: Ensure you are logged in as an administrator before starting the installation to avoid permission errors. Avoid third-party "driver updater" software
After changing the baud rate in the driver properties, you must power-cycle the USB CAN adapter (unplug and replug) for the change to take effect. itek usb can driver