This is a Configure-to-Order (CTO) system for HP, identified by part number 67R74AV. It comes pre-installed with Windows 10 IoT Enterprise LTSC 2021 64-bit, a long-term servicing channel version of Windows designed for specialized devices and embedded systems. This configuration offers extended support and stability for critical applications.
67R74AV - Hp CTO WIN10 IOT 64 ENT LTSC 2021