One of the great things about having Python installed on your Windows machine is that you can access it from anywhere. Simply pull up a command prompt and you can start entering commands, installing ...
Open the Python website and download the Python installer. Double-click on the downloaded file to open the installer. Here, make sure the Add Python.exe to PATH option is selected and then click on ...
The macOS Python installers provided on python.org with each Python release have long provided a fairly primitive mechanism to ensure the newly-installed Python is available on the user's shell PATH.