| Tip 67 | See Your Mac’s Serial Number |
To quickly view your computer’s unique serial number, as well as the build version of OS X (that is, the internal code used by Apple to track software releases), click the Apple menu, and then select About This Mac. In the window that appears, click Version several times (beneath the large “OS X”) to cycle through the available information.
You will almost certainly need your serial number if you phone Apple for technical support.
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