The basic option would be to uninstall the unwanted Python version and re-install the favored one from https://www.python.org/downloads/. To ... ... <看更多>

You can't downgrade packages, especially ones that other software depends on. The best way is just to put python 3.9 first in your path (or have ... ... <看更多>

In this tutorial, I'll show how to switch between Python versions in Windows 10. It's important to know how to change the Python version ... ... <看更多>

Do not downgrade the system version: it's likely that some parts of the system would stop working. Never change /usr/bin/python3 , and avoid ... ... <看更多>

Downgrading between versions is easy if you are using an Anaconda Python distrib. By going on to the command line, it is possible to quickly ... ... <看更多>