Learn about the Elm programming language at elm-lang.org.
Follow these instructions to use Elm on your machine. Be sure to use the platform specific installers if you are on Mac or Windows. It's way easier!
Build from source / Contribute
Use this script to build the entire Elm Platform from source: the compiler, REPL, package manager, and reactor. Be sure to read all the instructions to learn how the script works and what your workflow will be like.