The latest version is Python 3.8.4, and if I search for “Python” on my Windows computer, I see that I have Python 3.6 and 3.5 – so I could do with an update! That is how to check Python version!

Unlike Linux, though, Python offers one, gold-standard, “official” edition you can always fall back on: CPython, the version provided by the Python Software Foundation at Python.org.

To invoke a specific edition of Python, type py followed by the switch in the left-hand column for the appropriate version. For instance, to launch the 64-bit edition of Python 3.9, you would type ...