Windows without Windows.
Free. Open source. Yours to redistribute.
For now about 0.3% of the Windows programs out there, in progress.
How we estimate it, and what we measure
Estimate of 28 October 2026, between 0.1 and 1%. It takes console programs (10–15%), 64-bit (about 60%), that ask only for functions Kotonko already has (10–20%) and that behave the same in real use (about half).
Drop an .exe here.