How use Python, or Any Program, via CMD Prompt without Full Path
For Windows 7/8/8.1/10: Right-click on “My Computer” or “This PC”. Select “Properties”. Click “Advanced System Settings”. Click “Environment Variables”. Under the “System Variables” sub-section select the Variable Path and click “Edit”. Append “;C:\Python27” to the existing path, click “Ok”, and “Ok” again. Restart CMD Prompt for the new path setting to take effect. Source: http://stackoverflow.com/questions/11287597/how-to-make-python-accessible-via-cmd-prompt-without-full-path