click latest python release python located beneath the "python releases for mac os xheading near the top of the page as of this writingthe latest version was python then scroll to the bottom of the page and click macos -bit installer to start the download step run the installer open finder and double-click the downloaded file to run the installer dialog box that looks like the following will appearpress continue few times until you are asked to agree to the software license agreement then click agree you'll be shown window that tells you where python will be installed and how much space it will take you most likely don' want to change the default locationso go ahead and click install to start the installation