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Suppose you don’t know if your Windows users have Python installed – or you don’t know which version of Python they’ve got installed. You can still distribute a Python program to them using py2exe.

Here’s how:

• Make sure that you yourself have Python installed, and that you know which version you have installed (python -v will tell you).
• Visit http://www.py2exe.org/ to get an overview of what Py2exe does.
• Head over to the SourceForge and download the version of Py2exe which matches your version of Python
• Install Py2exe
• Look though the code samples to find something which matches what you need to do
• And do it!

Using Py2exe

Suppose you want to distibute my solution to the 8 Queens puzzle. You need to create a file called setup.py which looks like:

from distutils.core import setup
import py2exe
setup (
  version = "1.0",
  name = "N Queens puzzle solver",
  console = ["queens.py"]
  )

Then run:

python setup.py py2exe

The executable and DLLs appear in the dist subdirectory of your current working directory.