Follow these steps to manually install the driver, as Windows 10 may not automatically recognize the legacy hardware.
: Plug the KX-TES824 system into your computer using a USB cable and ensure the PBX is powered on. Panasonic Kx-tes824 Usb Driver Windows 10 64 Bit
Select and then click Have Disk if necessary, or simply browse to the extracted folder containing the 64-bit driver. Follow these steps to manually install the driver,