On macOS, there is an additional "Arduino" menu on the toolbar. Some of the contents of the "File" menu on other OSs are instead found under this "Arduino" menu for macOS users. So any instructions that use these menu paths should be updated to be also macOS compatible.
Arduino IDE 1.x
Arduino IDE 2.x
I believe the Open Recent and Sketchbook items are missing from this screenshot only because the IDE does not produce menu items when there is nothing to fill them with (https://github.com/arduino/arduino-ide/issues/655)
On macOS, there is an additional "Arduino" menu on the toolbar. Some of the contents of the "File" menu on other OSs are instead found under this "Arduino" menu for macOS users. So any instructions that use these menu paths should be updated to be also macOS compatible.
Arduino IDE 1.x
Arduino IDE 2.x
https://github.com/arduino/arduino-ide/issues/655)References