While there is no dedicated "Windows 11" installer for the legacy Panasonic KX-MB1500, you can achieve full functionality by using the in compatibility mode. Download Links

Follow the on-screen instructions. When prompted, to your Windows 11 PC and turn the printer on.

Since Windows 11 shares the same core architecture as Windows 10, the older driver typically works without issues.

(often listed under "Other devices" or "Printers"), and select Update driver

To ensure all features—including printing, scanning, and PC faxing—work correctly, follow these steps:

Panasonic no longer updates the firmware for the KX-MB1500. Do not attempt to flash firmware from an unofficial source—it can permanently brick your device.