Realtime AI News
Microsoft says Meta's Muse AI agent is coming to Windows PCs as a native app
At its Windows and Surface event in San Francisco on October 7, Microsoft said Meta's personal AI agent Muse is coming to Windows PCs as a native app, though neither company has given a release date. The move hands stage time to a rival agent while Microsoft simultaneously pushes its own Copilot, and ties Muse to Microsoft's newly available MXC sandbox.
Microsoft announced on stage at its Windows and Surface event in San Francisco on Wednesday, October 7, 2026, that Meta's Muse personal AI agent is coming to Windows PCs as a native app. Neither company has given a release date.
The announcement was made by Pavan Davuluri, Microsoft's executive vice president of Windows and Devices, during the keynote. In a post on Microsoft's Windows Experience Blog published after the event, he wrote that Muse for Windows, a personal AI agent from Meta, is coming soon as a native app on Windows with MXC integration, describing it as a way of providing more choice in the agents people can use on their Windows PC.
Muse is Meta's personal AI agent, built to complete tasks such as booking appointments, filling out forms and managing email rather than simply answering questions. It launched in the United States on September 8, 2026 on iPhone, Android and the web, arrived in Canada on September 18, 2026 where it quickly climbed to No. 1 on the App Store, and added a native iPad app on the same day as the Windows reveal.
The MXC integration Davuluri mentioned refers to Microsoft Execution Containers, a sandboxing layer that became generally available on Windows 11 that day. It lets organizations decide which files and networks an AI agent can reach, with those rules enforced while the agent runs, and Microsoft says the same safeguards are built into the experience for people using agents on a personal PC.
Microsoft says OpenAI's Codex, GitHub Copilot and OpenClaw already support MXC, while Anthropic's Claude Code, Perplexity and Manus are among those planning to add it. The company is pushing its own Copilot agent at the same time, which makes giving stage time to a rival agent from Meta a notable move.
A native app would bring Windows users closer to what Mac owners have had since Meta released Muse for Mac on September 17, 2026. That app can work with files, notes, calendars and email on the computer itself, asking permission before sensitive actions, and it needed a quick fix after a researcher disclosed a security flaw last month. Windows users have so far been limited to the web version at muse.ai, where the agent runs in Meta's cloud-based Muse Secure VM and cannot reach files on the PC.
Many practical questions remain unanswered. It is not clear whether the app will need Windows 11 or a Copilot+ PC, whether it will arrive through the Microsoft Store or as a download from Meta, how much local file and app access it will get compared with the Mac version, or which countries will get it first. Canada is one of only two countries where Muse is officially available, alongside the United States, putting Canadians in a good position, though Canadian availability has not been confirmed.
Muse is free for most tasks, with paid Power and Maximum plans at $20 and $100 per month for higher limits, and there is no word on whether the Windows app will change that. Meta has yet to post its own announcement, so the timing of the rollout still rests on Microsoft's coming soon.
Why it matters
If the native app ships, Muse would be one of the first rival personal agents to run on Windows through Microsoft's own sandbox layer, signaling that Microsoft is keeping its agent ecosystem open rather than exclusive, and giving Meta a path onto the mainstream desktop.
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