Enable TPM 2.0 on your PC - Microsoft Support
TPM 2.0 is required to run Windows 11, as an important building block for security-related features. TPM 2.0 is used in Windows 11 for a number of features, including Windows Hello for identity protection …
What's a Trusted Platform Module (TPM)? - Microsoft Support
A Trusted Platform Module (TPM), improves the security of your PC by securely creating and storing cryptographic keys. Learn how Windows uses the TPM.
Update Your Security Processor (TPM) Firmware - Microsoft Support
Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.
Windows 11 and Secure Boot - Microsoft Support
Aug 26, 2021 · Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.
Windows 11 System Requirements - Microsoft Support
Trusted Platform Module (TPM) version 2.0. If your device does not meet the minimum requirements because of TPM, you may want to read this article to see if there are steps you can take to remediate …
Secure Boot troubleshooting guide - Microsoft Support
Mar 19, 2026 · In this article Overview How a Secure Boot certificate servicing works Where to start when troubleshooting Secure-Boot-Update scheduled task Why a scheduled task is used The …
May 12, 2026—KB5089549 (OS Builds 26200.8457 and 26100.8457)
1 day ago · Improvements This update includes new features and quality improvements that were part of the following update: April 14, 2026—KB5083769 (OS Builds 26200.8246 and 26100.8246) April 30, …
What's new in Windows Security | Microsoft Support
One of the requirements for Windows 11 is that your PC have TPM (Trusted Platform Module) version 2.0. As a result, a lot of customers are asking what a "TPM" is and how they can tell if they have one.
Secure Boot certificate update status in the Windows Security app
Apr 2, 2026 · Note: This article is intended primarily for Windows Pro and Home users. For IT professionals or enterprise IT-managed devices, refer to IT admin guide: Secure Boot certificate …
Registry key updates for Secure Boot: Windows devices with IT …
Oct 14, 2025 · How these keys work together IT admins configure the AvailableUpdates registry value to 0x5944, which signals Windows to execute the Secure Boot key update and installation on the …
Known issues and resolutions for Secure Boot certificates updates
Mar 23, 2026 · This article provides the latest information and status for known issues in Windows or Microsoft Intune related to Secure Boot certificates. For problems deploying Secure Boot certificates …