Some people say it works, but with my experience it’s terrible compared to UNIX support in OCaml, or, Rust or Haskell support of the Windows platform. See the previous discussions on that topic:
- OCaml and Windows
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Ocaml for windows 10 compile error
How to statically link without cygwin1.dll(under Windows)?
And many others… While there is a work in progress to improve the platform support, it’s still hardly usable, IMHO.