title: How to remove git account from local machine and add new account
body: <p>I have a github account which is configured in my windows pc. Now I have created a new Github account and want to use the new one.</p>
  
  <p>How will I remove my old account from my windows pc and add the new github account ?</p>
  
  <p><strong>NOTE:</strong> I have edited the gitconfig file and added the new user email and username there. But the public key still contains the old user email !!</p>