How to set up dual monitors on your Windows PC or Mac computer

Setting up dual monitors can boost your productivity and free space.
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To set up dual monitors on your computer, you'll need to connect all your monitors with HDMI or VGA cables.
Once you've connected the dual monitors to your computer, open your PC or Mac's "Displays" menu.
You can set up your dual monitors to display the same image, or work separately.
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In an office, it's common to see people using multiple monit