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

It sounds to me like claiming that all old Windows versions will be unbootable is an overstatement. Rather, it's most likely the case that you won't be able to boot old media when Secure Boot is ...

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

Secure Boot is one of the requirements for Windows 11. You cannot install Windows 11 until you enable Secure Boot in your BIOS. However, there are ways by which you ...