Leaked Video Reveals Microsoft Project Aion, an Internal Prototype OS Built Around Copilot

Microsoft has developed an internal prototype of a web-based operating system centered around Copilot , where the AI assistant replaces the Start menu, taskbar, and traditional desktop shell, according to a leaked video reported by Windows Central. The project, called Aion, was built on a codebase named "Win3" and used the Edge browser as its shell. The video first appeared on BetaWiki's Discord server and is thought to be around two years old.