: While primarily a set of API extensions for Windows 7, there have been discussions on GitHub regarding its application to Windows 8.1.
But it wasn't shut down anymore.
The Extended Kernel is a community-driven modification that attempts to backport files from newer versions of Windows (specifically Windows 10 and often leveraging the Windows Server 2012 R2 codebase, which shares architecture with 8.1) to the older OS. windows 81 extended kernel
Using the Extended Kernel feels native. Boot times remain under 15 seconds on an SSD. RAM usage for the OS stays at ~600MB, compared to Windows 10’s 1.8GB. This frees up memory for the actual apps you want to run. : While primarily a set of API extensions