You can use three effective methods to downgrade the version of Python installed on your device: the virtualenv method, the Control Panel method, and the Anaconda method. Here in our tutorial, we’ll provide you with the details and sample codes you need to downgrade your Python version. Downgrade Python 3.9 to 3.8 With the virtualenv Module The virtualenv method is used to create and manage different virtual environments for Python on a device; this helps resolve dependency issues, version issues, and permission issues among various projects.