Here are some free Python file viewer and Python file editor software to help you open PY files on Windows 11/10 PC.

The py launcher to make it easier to start Python. The default Python install on Windows 11 includes a variety of helpful tools, including PiP, IDLE and tkinter.

Learn how to get Python up and running on Windows, macOS, or Linux—and avoid the biggest pitfalls along the way.

Python modules are typically installed using a package manager called 'pip', which launches a 'setup.py' file that is made available by the developer of the package for installation purposes.

Python 3.13’s installer lets you install the free-threaded build of Python side-by-side with the regular build. You can use the “py” utility to select which one to use for a given program.