["python","version","windows-server"]
Which version of Python do I have installed?

I have to run a Python script on a Windows server. How can I know which version of Python I have, and does it even really matter? I was thinking of updating to the latest version of Python.
To check the version of one's Python's Software version, one should use the following code in command prompt: python -V Reference: http://docs.python.org/using/cmdline.html#generic-options