The software you need is officially called (version 7.8xxx or higher is recommended for Windows 10). Older versions (4.x or 5.x) often crash or fail to detect the PBX on Windows 10.
Setting up the on Windows 10 is a common challenge for IT administrators and office managers because the hardware predates modern operating systems. While Panasonic primarily designed this hybrid PBX system for earlier versions of Windows, you can still achieve a stable connection on Windows 10 (both 32-bit and 64-bit) by using the correct USB drivers and maintenance console software. Essential Software Components panasonic kx-tes824 driver windows 10