What or behavior happens when you run the installer?
The driver installs successfully, but sending a test page results in a "Spooler Error" or an endless "Printing" status.
If Windows refuses to recognize the device over USB, download the open-source tool Zadig. It allows you to forcefully clean and replace generic USB drivers with a clean WinUSB or libusb-win32 driver, making the raw hardware visible to your POS software.