windows follow these steps to install python and open idle on windows important the code in this book is tested only against python installed as described in this section be aware that if you have installed python through some other meanssuch as anaconda pythonyou may encounter problems when running some of the code examples install python windows doesn' typically come with system python fortunatelyinstallation involves little more than downloading and running the python installer from the python org website step download the python installer open web browser and navigate to the following urlclick latest python release python located beneath the "python releases for windowsheading near the top of the page as of this writingthe latest version was python then scroll to the bottom and click windows - executable installer to start the download note if your system has -bit processorthen you should choose the -bit installer if you aren' sure if your computer is -bit or -bitstick with the -bit installer mentioned above