Soon to be the official tool for managing Python installations on Windows, the new Python Installation Manager picks up where the ‘py’ launcher left off.

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.

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.