1- Python distribution is available for a wide variety of platforms.
2- You only need to download the binary code applicable for your platform and install Python
3- Run the downloaded file by double-clicking it in Windows Explorer.
4- This brings up the Python install wizard, which is really easy to use.
5- Just accept the default settings.
After successful installation of python2.7, now need to set environment
6- Variable as Control Panel\System and Security\System
Advance System Settings Environment Variables PathEdit Text