If you need open-source support, you must buy a keyboard specifically advertised as "QMK Compatible" (such as the Keychron or Drop boards).
If your computer says "No device connected" after installation, unplug the Z-88 USB cable and plug it back into a different USB port (preferably USB 2.0, not 3.0). e-yooso z-88 keyboard software
Need help with E-Yooso Z-88 software? Here’s what works (and what doesn’t) If you need open-source support, you must buy