title: Install Chrome extension form outside the Chrome Web Store
body: <p>I have developed a Chrome extension and I have packed it.<br>
  I sent my extension to some people to try it, but Chrome started to block extensions that it does not find in the store.</p>
  
  <p>Is there any way to install my extension without getting blocked by Chrome?</p>
  
  <p><strong>EDIT</strong><br>
  Is there any way to install extension as developer mode? I read that only extensions that installed  in developer mode will not blocked.</p>