Secure Boot is a feature included on UEFI-based computers running Microsoft Windows 8 or Windows Server 2012 and later. It provides a measure of security previously unavailable by ensuring that only trusted software components, signed by Microsoft or the computer manufacturer (OEM), are used during the boot process.

Does Windows 8 have UEFI?

Windows 8 has re-engineered its boot method by adopting UEFI (Unified Extensible Firmware Interface) as the new firmware standard while continuing to support the legacy BIOS (Basic Input Output System) firmware standard for machines with old hardware which are not UEFI compatible.

Does Windows 8 support secure boot?

Windows 8 utilizes secure boot to ensure that the pre-OS environment is secure. … Microsoft does not mandate or control the settings on PC firmware that control or enable secured boot from any operating system other than Windows.