title: Windows 10 can't see firebase in my PATH
body: <p>I tried to install firebase:</p>
  
  <pre><code>npm install -g firebase-tools
  </code></pre>
  
  <p>but then I tried:</p>
  
  <pre><code>firebase login
  </code></pre>
  
  <p>and failed with:</p>
  
  <pre><code>The system cannot find the path specified.
  </code></pre>
  
  <p>But I have global npm folder in my PATH.
  I have yarn &amp; flow and it works fine
  <img src="https://i.gyazo.com/13c5c017925ff27482967dfa992b4afd.png" alt=""></p>
  
  <p>My PATH looks like this:</p>
  
  <p><img src="https://i.gyazo.com/eba41f0e5df60c4214c918735a691549.png" alt=""></p>
  
  <p>and my npm folder (you can see firebase, yarn, flow there):
  <img src="https://i.gyazo.com/3f3cc5ec744b40b418a0ac686746435e.png" alt=""></p>
  
  <ul>
  <li>reboot doesn't work</li>
  <li>reopening my cmd doesn't work too</li>
  </ul>
  
  <p>Please help.</p>