Flow is not officially supported on Windows. So I'm trying to set it up on my machine. Flow uses OCaml; it is easy to get OCaml on Windows with Cygwin. Even the Cygwin setup has option to select OCaml. First git clone flow from their source: https://github.com/facebook/flow using Failed with error: 'i686-w64-mingw32-gcc' is not recognized … Continue reading (Failed attempt to) Set up Flow (Static typechecker for JS) on Windows 8.1 →