 <p>Have you looked at the instructions in this site <a href="http://rubyinstaller.org/" rel="nofollow">http://rubyinstaller.org/</a> it really helped me when i try to do that.</p> <p>Here is another site to help you out <a href="https://www.ruby-lang.org/en/downloads/" rel="nofollow">https://www.ruby-lang.org/en/downloads/</a></p>