title: Error message 'mkvirtualenv is not recognized as an internal or external command'
body: <p>While I was trying to execute the <code>mkvirtualenv</code> command on the command prompt, I was getting this error:</p>
  
  <pre><code>C:\Users\mukesh&gt;mkvirtualenv myproject 
  'mkvirtualenv' is not recognized as an internal or external command, operable program or batch file.
  </code></pre>