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Your display's resolution determines the size of text and objects on your screen. By default, your Mac automatically uses the best resolution for the display. While it’s best to use the default resolution, you can manually set the resolution to make text and objects appear larger on your screen, or adjust it to make text and objects appear smaller so you have more space on your screen.
- click the Apple menu
- click System Preferences
- click Display
- click the Scaled option
- select the resolution or display scaling you want to use