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Spotlight Search (F4): Press to open Spotlight and search for something on your MacBook Air.ĭictation/Siri (F5): Press to activate dictation-you can dictate text wherever you can type (for example, in Messages, Mail, Pages, and other apps).

Mission Control (F3): Press to view what’s running on your MacBook Air, including all your spaces and open windows. The function keys on the top row provide shortcuts for these common system functions:īrightness (F1, F2): Press or to decrease or increase the brightness of the screen.

You’re out of function keys to assign actions to: Start using modifier keys like Option and Command with the function keys to double or triple their usage.You can also use BetterTouchTool to trigger other keyboard shortcuts. This can solve the problem where, say, an app insists that you use a function key only with a modifier. You can’t assign function keys to certain actions: Install BetterTouchTool, the ultimate Mac productivity app.Or create a new Quick Action in Automator that’s just the Launch Application action and assign that file a shortcut from within Services in the settings pane in Keyboard System Preferences. You want to launch an app with a function key, but you can’t do so from System Preferences: Visit the Preferences pane of the app you want to launch and program the shortcut from there.The key is already in use: You can disable or remap the shortcut for the clashing action, then map that function key to the new action.

You might run into a few problems while remapping function keys, but there are workarounds for them: