Windows 10, Windows 11, macOS (from OS X Lion onwards), and even some Linux distributions have built-in generic MIDI drivers. You do not need to download anything from Bontempi.
is something of a legendary "digital scavenger hunt" for vintage synth enthusiasts. The Mystery of the "Missing" Driver Bontempi Keyboard Usb Driver
Many Bontempi keyboards shipped with a mini-CD titled "PC Link" or "MIDI Driver." This CD contains: Windows 10, Windows 11, macOS (from OS X
Open your music software (e.g., FL Studio, Cubase, or Jazz++) and select "Bontempi MIDI USB Device" as your input source. Troubleshooting Connectivity Issues macOS (from OS X Lion onwards)