Downloading and Installing the UCOM UC JS704S2 USB Joystick Driver on Windows 7
If the joystick is not automatically detected, follow these steps: ucom uc js704s2 usb joystick driver win 7 download link
Control Panel → Devices and Printers → Right-click your controller icon → Game controller settings.Properties → Settings tab → Calibrate... → Follow the wizard (move axes to extremes, press buttons).USB Gamepad Installer: A general installer for Windows 7 (32/64-bit) available on Driver Talent. Installation Instructions Downloading and Installing the UCOM UC JS704S2 USB
Cons
He was about to give up, to resign himself to using the keyboard like a caveman, when he clicked to the fourth page. Buried under a pile of irrelevant SEO spam was a link. It wasn't flashy. It was a plain text post on a niche retro-tech preservation board called The Archive. Go to Control Panel → Devices and Printers
Legacy Driver Archive: The Internet Archive hosts a "USB Joystick Driver (Windows)(2011)" which matches the era of the UC-JS704S2 hardware. Troubleshooting Windows 7 Issues