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Windows installer, ARM64: ColdOpen-0.1.0-alpha.3-windows-arm64-setup.exe, 7.5 MB.
If it doesn't start in a moment, download it here.
Next: install it
- Run the installer. If SmartScreen says Windows protected your PC, click More info, then Run anyway: the build isn't signed yet.
- It needs no administrator rights, and adds Cold Open to the Start menu.
The full steps are in Install, with how to check the file against its checksum.