title: pip on Windows giving the error - Unknown or unsupported command 'install'
body: <p>I installed pip on Windows by downloading <a href="http://pypi.python.org/packages/source/p/pip/pip-1.0.2.tar.gz#md5=47ec6ff3f6d962696fe08d4c8264ad49">http://pypi.python.org/packages/source/p/pip/pip-1.0.2.tar.gz#md5=47ec6ff3f6d962696fe08d4c8264ad49</a> and running <code>python setup.py install</code></p>
  
  <p>Installation went fine with no errors.</p>
  
  <p>But when I tried installing selenium package with it, it gives me the following error -</p>
  
  <pre><code>pip install -U selenium
  Unknown option: u
  Unknown or unsupported command 'install'
  </code></pre>
  
  <p>Where I'm making the mistake?</p>