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Open the Apple menu . Click System Preferences. Click Language & Region. Select a language to remove. Click -.
Click the Apple logo in the top-left corner of the screen. A drop-down menu will appear. It's in the drop-down menu. You'll find this in the top row of the System Preferences window. Click a language in the left-hand window. It's below the list of languages. Clicking - will remove the language from the list. The top language in this menu is the default language. You can change this by clicking and dragging a different language up to the top of the menu.