Expect the occasional Blue Screen of Death (BSOD).
At its core, an extended kernel is a modification of system files to allow newer software to run on an older operating system. windows 81 extended kernel
: Since Windows 8.1 no longer receives official security updates from Microsoft, and the kernel itself is a third-party modification, it should not be used for sensitive work or on machines containing critical data. Installation Complexity Expect the occasional Blue Screen of Death (BSOD)
The project aims to modify the Windows 8.1 kernel (NT 6.3) to trick modern software into believing it is running on Windows 10 or 11. windows 81 extended kernel