You may also be able to find the serial number in the BIOS or UEFI firmware settings screen. This is also true if you built your own PC because the PC itself won’t have a serial number. However, you can look up the serial number of your motherboard and other components.

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In that case, you’ll see something like “0” or “To be filled by O.E.M.” instead of an actual serial number. PC manufacturers don’t always fill in the number properly. The number will only appear here if the PC manufacturer saved it to your computer’s BIOS or UEFI firmware. If you don’t see your PC’s serial number, blame your PC’s manufacturer. This command uses the Windows Management Instrumentation Command-line (WMIC) tool to pull the system’s serial number from its BIOS. You’ll see the computer’s serial number displayed beneath the text “SerialNumber”. On Windows 7, press Windows + R, type “cmd” into the Run dialog, and then press Enter.Īt the Command Prompt, type the following command and then press Enter: wmic bios get serialnumber On Windows 10 or 8, right-click the Start button and select “Command Prompt”. Open a Command Prompt window to get started.

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