Canonical event

Copilot in Windows preview begins rollout

Microsoft began rolling Copilot in Windows in preview with the Windows 11 September update.

Artifacts

Copilot in Windows preview rollout begins
evidenced_by · os_ai_preview_release

Signals

Conversational generative AI began appearing as an operating-system-level interaction surface through the Windows Copilot preview rollout.
supported inference

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