How to Find Your Mac’s Serial Number on macOS
Every Mac device comes with a unique serial number that can be helpful for various purposes, including warranty claims, repairs, or software licensing. In this comprehensive guide, we will walk you through the steps to easily find your Mac’s serial number on macOS. Whether you own a MacBook, iMac, Mac Mini, or any other Mac model, locating the serial number is a simple process.
Why is the Serial Number Important?
The serial number of your Mac device is like its fingerprint. It is a unique identifier that distinguishes your Mac from all others. Knowing your Mac’s serial number can be crucial for verifying its authenticity, checking warranty status, getting technical support, or tracking your device in case of loss or theft.
Methods to Find Your Mac’s Serial Number
Method 1: About This Mac
One of the easiest ways to find your Mac’s serial number is through the ‘About This Mac’ window. Here’s how to do it:
- Click on the Apple logo in the top-left corner of your screen.
- Choose ‘About This Mac’ from the dropdown menu.
- In the ‘Overview’ tab, you will find the serial number displayed beneath the macOS version.
Method 2: System Information
Another method to locate your Mac’s serial number is by using the System Information utility. Follow these steps:
- Click on the Apple logo and select ‘System Preferences’.
- Choose ‘System Information’.
- In the System Information window, navigate to ‘Hardware’ and look for the serial number next to the ‘Serial Number’ label.
Method 3: Engraved on the Mac Chassis
For some Mac models, the serial number is engraved on the device’s chassis. Check the bottom case of your MacBook, the back panel of an iMac, or the rear panel of a Mac Mini for the engraved serial number.
Method 4: Original Packaging or Receipt
If you have kept the original packaging or receipt of your Mac device, the serial number is usually printed on the box or the purchase invoice.
Why You May Need the Serial Number
Knowing how to find your Mac’s serial number can be beneficial in various situations:
- Registering your Mac with Apple.
- Checking warranty coverage and eligibility for AppleCare.
- Requesting technical support or repairs.
- Verifying the authenticity of your Mac.
- Tracking your device in case of loss or theft.
Conclusion
Locating the serial number of your Mac device is a fundamental task that can come in handy at different times. By following the methods outlined in this guide, you can easily find your Mac’s serial number on macOS. Remember to keep your serial number in a safe place for future reference and peace of mind.

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