title: Error on installing SASS on WIndows 10 and ruby version 2.5.0-1
body: <p>I have tried to install Sass in Windows 10 with <code>Ruby version 2.5.0-1</code> but i'm getting following error:</p>
  
  <blockquote>
    <p>ERROR:  Error installing sass:
            The last version of ffi (&lt; 2, >= 0.5.0) to support your Ruby &amp; RubyGems was 1.9.18. Try installing it with <code>gem install ffi -v 1.9.18</code> and then running the current command again
            ffi requires Ruby version &lt; 2.5, >= 2.0. The current ruby version is 2.5.0.</p>
  </blockquote>
  
  <p>Windows 10
  Ruby Installer - 2.5.0-1 (64 bit)
  Gem version - 2.7.3</p>
  
  <p>Thanks in advance.</p>