Always scan downloaded driver files with updated antivirus software. The instructions above are for educational and troubleshooting purposes. Modify your Windows 7 settings at your own risk.
However, for retro gaming enthusiasts who want to preserve their original Ucom hardware, the driver download and installation guide provided above remains the most comprehensive solution available. Ucom Uc Js704s2 Usb Joystick Driver Win 7 Download
If the joystick works but games don't recognize it, use free tools like (maps joystick to keyboard) or x360ce (emulates an Xbox 360 controller). Always scan downloaded driver files with updated antivirus