Do not waste hours hunting for a specific "Ucom UC JS704S2 Win 7 driver." The device uses the native Windows 7 HID driver. If it is not working, the issue is likely a faulty USB port, a dead joystick, or a need for simple calibration.
Do use generic “driver updater” software. They often install malware. Instead, use these verified sources: Ucom Uc Js704s2 Usb Joystick Driver Win 7 Download
Since Ucom does not maintain a central official website for driver downloads, users typically rely on standard USB gamepad drivers or third-party repositories. Do not waste hours hunting for a specific