This is done by clicking the 'System Report' button in the About panel, or simply by opening the System Information tool directly from the Finder. The system information tool also generates an in-depth system report. With this panel open, you can see your Mac's model number and some hardware information in the Overview section, along with your Mac's serial number.

The next option is to use the System Information utility's 'About' panel, which is available by clicking 'More Info' in the 'About This Mac' panel, or by opening the tool in the Applications > Utilities folder, then pressing Command-i. Clicking the text under the 'OS X' label will reveal your Mac's serial number. This will toggle the string between showing the OS version, the OS build number, and your system's serial number. Choose this option, then click the gray version string for your installation of OS X. While you can always look on your Mac's chassis to find the printed label that contains the serial number, there are a number of additional ways do do this, some of which are more convenient than others.īesides using the Mac's chassis, the easiest way to find your Mac's serial number is to use the About This Mac information panel that's in the Apple menu. Therefore, while not commonly used, you may occasionally need to look it up. Your Mac's serial number is required for warranty service, among other benefits that Apple offers its customers.

How to find apple serial number