title: How to install Selenium IDE in Mozilla Firefox
body: <p>I tried to install Selenium IDE in Firefox but unable to install. Please help me. My Firefox version: 47.0.2 while install IDE button is disabled please help me. </p>
  
  <p><a href="https://i.stack.imgur.com/Aez33.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Aez33.png" alt="enter image description here"></a></p>