on ubuntu linuxopen terminal and run the command uname - response of means -bitand means -bit on windowsdownload the python installer (the filename will end with msiand double-click it follow the instructions the installer displays on the screen to install pythonas listed here select install for all users and click next accept the default options for the next several windows by clicking next on macosdownload the dmg file that' right for your version of macos and double-click it follow the instructions the installer displays on the screen to install pythonas listed here when the dmg package opens in new windowdouble-click the python mpkg file you may have to enter the administrator password accept the default options for the next several windows by clicking continue and click agree to accept the license on the final windowclick install if you're running ubuntuyou can install python from the terminal by following these steps open the terminal window enter sudo apt-get install python enter sudo apt-get install idle enter sudo apt-get install python -pip downloading and installing mu while the python interpreter is the software that runs your python programsthe mu editor software is where you'll enter your programsmuch the way you type in word processor you can download mu from on windows and macosdownload the installer for your operating system and then run it by double-clicking the installer file if you are on macosrunning the installer opens window where you must drag the mu icon to the applications folder icon to continue the installation if you are on ubuntuyou'll need to install mu as python package in that caseclick the instructions button in the python package section of the download page starting mu once it' installedlet' start mu xxxiv introduction on windows or laterclick the start icon in the lower-left corner of your screenenter mu in the search boxand select it