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How to Disable or Turn Off Secure Boot in Windows 10 | UEFI to Legacy + UEFI
Most modern PCs have a feature called Secure Boot. The purpose of this feature is to prevent your computer from booting with unsigned firmware such as drivers and even operating systems. This feature protects your computer from malware and other such threats.
However, there are times when you may want to disable Secure Boot. This is easy to do on most computers.
Secure Boot is a feature on your Windows 10 PC that prevents your computer from booting with untrusted devices. These devices are the devices that Microsoft has not yet approved and digitally signed.