How to Find Your Laptop Serial Number on Windows and Mac

How To Tech Explanations

Your serial number is useful for warranty claims, technical support, insurance, and repairs.

Where to Find the Serial Number

Check the label underneath the laptop, inside the battery compartment if removable, or inside your operating system.

Windows

Open Command Prompt and run the command wmic bios get serialnumber.

Mac

Open About This Mac to view your serial number instantly.

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