How to check your Windows PC for expiring security certificates - a big one is ending soon ...

Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2 ...

This article describes how to enable Secure Boot to install Windows 11. How Do I Enable Secure Boot? The easiest way to enable Secure Boot is to do so through UEFI. It's typically listed as one of the ...

Microsoft is rolling out "Secure Boot Allowed Key Exchange Key (KEK) Update," which requires a system reboot to finish ...

Windows 10 KB5078885 ESU out with Secure Boot 2023, replacing expiring Secure Boot certificates from 2011. But it's a staged roll out.

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.

Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.

If you're trying to play the Call of Duty: Black Ops 7 beta on PC and running into issues due to Secure Boot, you may need to change some of your PC settings in your BIOS menu. Secure Boot is a ...