On Fri, Oct 9, 2009 at 5:50 PM, Aaron Patterson <aaron / tenderlovemaking.com> wrote: > God help people installing JRuby on windows. I think it would take me many > days There are two steps to installing JRuby on Windows: * Install JVM (if it hasn't been installed already) * Unpack JRuby Done. With JRuby 1.4, there's even an installer that can do those two steps in one shot, plus tweak your PATH. And JRuby 1.4 will have a native jruby.exe as well. It is vastly simpler to install JRuby than you might expect :) - Charlie