title: Could not generate ssh public key for heroku in Windows 7
body: <p>While I am trying <code>heroku login</code> through cmd in my machine, it says </p>
  
  <blockquote>
    <p>Could not find existing public key<br>
    Would you like to generate one? [YN]</p>
  </blockquote>
  
  <p>After that when I press 'y' and enter it says</p>
  
  <blockquote>
    <p>Generating new ssh public key<br>
    Could not generate key: "ssh-keygen" is not recognized as a internal or external command operable program or batch file</p>
  </blockquote>
  
  <p>Please help me.</p>