Windows 8.1 Extended Kernel Link Jun 2026

Thanks to the Extended Kernel, Windows 8.1 users can now run applications that previously threw the dreaded "This program requires Windows 10 version 1809 or later" error.

Users report that a slimmed-down Windows 8.1 can run stable on less than 100MB of RAM , a feat impossible for Windows 11. Windows 8.1 Extended Kernel

This is the most controversial aspect of the project. Thanks to the Extended Kernel, Windows 8

: While standard updates have ended, some users utilize Server 2012 R2 security updates (which share the same kernel) to keep systems protected until 2026 . Thanks to the Extended Kernel

: Vanilla Windows 8.1 can idle at roughly 650MB of RAM, and some optimized versions drop below 400MB—far lighter than Windows 11. Modern App Compatibility