If the official ISM3.0 driver is unavailable or unsatisfactory, consider:
Aesthetic customization is a staple of the custom keyboard scene. The 3.0 driver overhauled the lighting engine, allowing for per-key RGB customization. It features reactive effects (where lights respond to keystrokes) and gradient waves, all while maintaining a low CPU footprint so the lighting doesn't interfere with system performance. ism3.0 keyboard driver