Microsoft’s calendar cut‑off for Windows 10 arrived on October 14, 2025, and with it a stark choice for every organisation still running the decade‑old OS: buy time with paid Extended Security Updates, execute a fast — and often expensive — device refresh, or accept growing security, compliance and operational risk. Background / Overview
Windows 10’s end of mainstream support is a hard lifecycle boundary: after October 14, 2025 Microsoft stopped shipping routine security patches, feature...