title: Change logged in user
body: <p>When I setup TFS for the first time, I usually use the TFSSetup account, and with this account  going to login for the first time.</p>
  <ol>
  <li><p>How to login as a different user?</p>
  </li>
  <li><p>How to check who the current user is?</p>
  </li>
  </ol>