title: why npm is not responding when using the keyword npm in command prompt
body: <p><a href="https://i.stack.imgur.com/yshC4.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/yshC4.png" alt="enter image description here"></a>I'm trying to use npm intsall, but it doesn't respond anything
  even <code>npm -v</code> is not working, node and npm is installed.</p>
  
  <p>It stays still like this.</p>
  
  <p><img src="https://i.stack.imgur.com/UovpX.png" alt="click here to view image"></p>
  
  <p>I have installed node
  <a href="https://i.stack.imgur.com/nRF0z.png" rel="nofollow noreferrer">Click here</a></p>
  
  <p>Path for installed node js</p>
  
  <pre><code>C:\Program Files\nodejs
  </code></pre>
  
  <p><a href="https://i.stack.imgur.com/zhevT.png" rel="nofollow noreferrer">click here to view path image for node on my machine</a></p>