Microsoft’s latest Windows 11 update pushes Copilot from sidebar novelty to system-level companion, promising to make “every Windows 11 PC an AI PC” by adding a wake-word voice interface, expanded screen-aware vision, and early agent-style automation — but the reality is a staged, opt‑in rollout that still hinges on hardware, privacy controls, and careful governance. Background
Microsoft has been folding AI into Windows and its productivity suite for more than two years, but this mid‑October...