how to find the serial number on a Mac
Jul 11, 2025 am 02:49 AMThe serial number of Apple computer can be obtained by the following methods: 1. View in the system: Click the Apple menu → "About this machine" to view the 12-digit serial number; 2. Search through terminal commands: Open "Terminal" and enter the command system_profiler SPHardwareDataType | grep "Serial Number" to obtain; 3. View the outer packaging or purchase certificate: The label on the back of the packaging box, invoice or order record of the Apple official website; 4. Search online with the Apple ID account: Log in to the Apple official website account page, and check the serial number and warranty status of the associated device in the "Device" section.
The serial number of Apple computers is important information for identifying the device and is often used for warranty inquiries, system activation or technical support. If you need to find the serial number of your Mac, the method is actually very simple. Depending on whether you can boot up and use the Mac, you can handle it in several situations.

1. View in the system (for normal use of Macs)
If the Mac on your hand can boot normally and enter the desktop, this is the fastest way:
- Click the Apple menu in the upper left corner → “About this machine”
- In the pop-up window, you will see the item "serial number", usually a string of 12-bit codes composed of letters and numbers
Some models also display "Model Identifier" and "hardware version", which can also be used to identify the specific configuration of the device.

2. Search through terminal commands (suitable for users who are familiar with command line operations)
If you like to use a terminal or graphical interface that cannot be opened, you can also get it through the command line:
- Open the Terminal app (can be found in Applications > Utilities)
- Enter the following command and press Enter:
system_profiler SPHardwareDataType | grep "Serial Number"
- The terminal will output something like this:
Serial Number: A1B2C3D4E5F6
This method is also often used in remote assistance or automation scripts.

3. Check the outer packaging or purchase certificate (no need to boot up)
If you cannot turn on the computer for the time being, such as if you just bought it and haven't activated it, or if the device is broken and cannot be opened, then you can take a look at the original packaging box:
- The back of the Mac's outer packaging box is usually labeled, which contains information such as serial number, model name and barcode.
- If it has been unpacked, but it still retains the purchase invoice, electronic invoice or Apple's official website order record, and the serial number will also be written in it.
These methods are also quite common when doing second-hand transaction verification or insurance claims.
4. Use Apple ID account to search online (suitable for multiple devices management)
If you have logged in to iCloud or Apple ID before, you can also view the information of the bound device through your account:
- Visit the Apple official account page
- Log in to your Apple ID
- You can see all associated devices in the "Device" section. Click on the specific device to view the serial number and warranty status
This method is especially suitable for you to have multiple Macs or other Apple devices, making it convenient for unified management.
Basically, these are the methods, just choose the right method in different scenarios. Sometimes it looks simple, but it is easy to get stuck if you contact it for the first time, such as not knowing where to find the terminal command, or not paying attention to the label on the outer packaging. Just remember a few key entrances and check them quickly in the future.
The above is the detailed content of how to find the serial number on a Mac. For more information, please follow other related articles on the PHP Chinese website!

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