Not counting obtaining the source code, and once you have the prerequisites satisfied, [Windows] users can build from source code in 5 easy steps.
Prerequisites – Install & ensure they are in the $PATH:
Optional (but most likely you’ll want):
Tip: Install these in locations where spaces are not in the path. Specifically, watch for the Bison/m4 as there is a known bug with regards to that.
..
Now that that’s out of the way, we can begin. You just need to decide if you want to build from