Microsoft set a hard deadline for Windows 10 support — October 14, 2025 — and has offered a narrowly scoped lifeline for holdouts: the consumer Extended Security Updates (ESU) program that extends security-only patches for one additional year, through October 13, 2026. This article explains exactly what that means, who qualifies, how to enroll, the technical and privacy trade‑offs, important gotchas (including a critical August patch you must install), and a practical checklist to protect...