There are many interpreters available freely to run Python scripts like IDLE (Integrated Development Environment) which is installed when you install the python software
from http://python.org/downloads/
Steps to be followed
and remembered:
Step 1: Select Version
of Python to Install.
Step 2: Download Python
Executable Installer.
Step 3: Run Executable
Installer.
Step 4: Verify Python
Was Installed On Windows.
Step 5: Verify Pip Was
Installed.
Step 6: Add Python Path
to Environment Variables (Optional)