[enricosada]

See https://dotnet.microsoft.com/download

Download the Sdk, who bundle both the runtime and the C#/F# compilers (everything you need to build a program) and the `dotnet fsi` REPL

All of that is open source, developed in different repos and bundled there in a nice installer.

Support all platform and can cross compile for other OS

Please do not use Mono, because contains an old version of F# and lots of quirks to use.

The current way is .NET (was called .NET Core, renamed recently) because is cross platform by design, and eventually Mono will be merged 100% there.

Plus is tons more performant and better tooling