21CTO

Jul 4, 2026 · Industry Insights

Inside Project Aion: Microsoft’s Secret AI‑First Windows Prototype

A leaked three‑minute video reveals Project Aion, an experimental Windows‑based operating system that embeds Copilot directly into the kernel, replaces the traditional Start menu with an AI‑driven Copilot Start, and introduces multimodal address bars, AI‑generated windows, goal‑oriented Spaces, and seamless Win32 app handoff via Windows 365.