This driver is explicitly for 64-bit versions of Windows 10. If you are running 32-bit Windows 10 (rare on modern PCs), you need the x86 driver, but Casio officially recommends the 64-bit version for all modern systems.
: If a legacy driver fails to install, right-click the installer and run it in Compatibility Mode for Windows 7 or 8. casio usb midi driver windows 10 64 bit link
data cable, Windows would recognize the "CASIO USB MIDI" device automatically the moment it was plugged in. Casio Music Forums However, for those with much older legacy models (like the ✅ Official CASIO USB MIDI Driver for Windows