Uninstall Windows 10 and Install Windows 7: The digital signature - Microsoft Community

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because of software need company works on windows 7, want remove preinstalled windows 10. bought license windows 7 , trying install it, keep getting "the digital signature file couldn't verified error" upon restart. point me out do?

-i using rufus usb install windows 7

-i tried disabling digital driver signature

you need boot uefi firmware disable secure boot, try again.

i recommend, instead of deleting windows 10, try dual booting. learn how:

how to: dual boot windows 7 or windows 8 windows 10 installed first

if prefer downgrading, review following:

how downgrade preinstalled windows 10 windows 7/8.1



Windows / Windows 10 / Install, upgrade, & activate / PC



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