Locating Your Product Serial Number
Use one of these methods to find your MacBook Air serial number:
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Turn over your MacBook Air. The serial number is etched into the case near the hinge.
Serial number
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Choose Apple () > About This Mac. Click the version number beneath the words
“Mac OS X” to cycle through the Mac OS X version number, the build version, and the
serial number.
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Open System Information (in the Utilities folder in Launchpad). In the Contents pane,
click Hardware.
www.apple.com/macosx