Run 14 vintage OSes (Windows 1.01→XP, ReactOS, Haiku) in the browser

2 hours ago 2

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Pre-configured collection from Windows 1.01 to modern alternatives like ReactOS and Haiku. Each system optimized for best performance.

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Near-native performance using WebAssembly technology. Full x86 processor emulation running entirely in your browser.

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Complete mouse and keyboard support with special key injection. Hardware-accurate scancode generation for perfect compatibility.

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Upload your own .img and .iso files. Configurable memory settings and boot order for maximum compatibility.

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Everything runs in your browser. No plugins, no downloads, no security concerns. Just open and start computing.

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Perfect for education, software preservation, and experiencing computing history. Learn how operating systems evolved.