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 ...

Battlefield 6 requires you to enable Secure Boot if you're playing on PC, or it simply won't launch. This is largely so that developer EA can deploy anti-cheat ...

Microsoft has made Windows 11 available for all users. Windows 10 users can upgrade their computers to Windows 11 for free, provided their computers meet the hardware requirements. One of these ...

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 ...