Applies To
Windows 10 Windows 10, version 1607, all editions Win 10 Ent LTSC 2019 Win 10 IoT Ent LTSC 2019 Windows 10 IoT Core LTSC Windows 10 Enterprise LTSC 2021 Windows 10 IoT Enterprise LTSC 2021 Windows 10, version 22H2, all editions Windows 11 Home and Pro, version 21H2 Windows 11 Enterprise Multi-Session, version 21H2 Windows 11 Enterprise and Education, version 21H2 Windows 11 IoT Enterprise, version 21H2 Windows 11 Home and Pro, version 22H2 Windows 11 Enterprise Multi-Session, version 22H2 Windows 11 Enterprise and Education, version 22H2 Windows 11 IoT Enterprise, version 22H2 Windows 11 SE, version 23H2 Windows 11 Home and Pro, version 23H2 Windows 11 Enterprise and Education, version 23H2 Windows 11 Enterprise Multi-Session, version 23H2 Windows 11 IoT Enterprise, version 23H2 Windows 11 SE, version 24H2 Windows 11 Enterprise and Education, version 24H2 Windows 11 Enterprise Multi-Session, version 24H2 Windows 11 Home and Pro, version 24H2 Windows 11 IoT Enterprise, version 24H2 Windows Server 2012 ESU Windows Server 2012 R2 ESU Windows Server 2016 Windows Server 2019 Windows Server 2022 Windows Server 2025

Important: 

  • Original publish date: August 6, 2025

  • KB ID: 5066426

This document helps guide OEMs and ODMs in creation and management of the Secure Boot keys and certificates in a manufacturing environment. It addresses questions related to creation, storage and retrieval of Platform Keys (PKs), secure firmware update keys, and third-party Key Exchange Keys (KEKs).

For more information, see the following resources:

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