Pip install - Python 2.7 - Windows 7
<p>I download the get-pip.py from <a href="https://pip.pypa.io/en/stable/installing/" rel="noreferrer">https://pip.pypa.io/en/stable/installing/</a> . Then i changed path in: system-variable environment into :  C:\Python27\ArcGIS10.3\Lib\site-packages
after that i tried to run in from the cmd and this is the result:</p>

<p><a href="https://i.stack.imgur.com/emDPN.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/emDPN.jpg" alt="enter image description here"></a>  </p>