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When checking your macOS device specifications, begin by opening About This Mac by selecting the Apple logo from the top left of your screen.
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Click on the specification you'll like to check and follow the steps provided:
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- From the "About This Mac" window, select More Info....
- This will open the "About" window.
- Scroll down to Storage and select Storage Settings to view the capacity of your hard drive.
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- From the "About" window, select System Report....
- Click on Hardware to see an overview.
- Here you can check for your device Firmware Version.
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