Windows doesn't display your PC's series number anywhere in its interface, and neither do popular system information tools. But you can oftentimes detect a PC'due south serial number with a elementary command, a peek in your BIOS, or on the hardware itself.

Run the WMIC Command

Open a Control Prompt window to get started. On Windows 10 or viii, right-click the Start button and select "Control Prompt". On Windows 7, press Windows + R, type "cmd" into the Run dialog, and then printing Enter.

At the Command Prompt, type the post-obit control and and so press Enter:

wmic bios get serialnumber

You'll see the reckoner's serial number displayed below the text "SerialNumber". This control uses the Windows Management Instrumentation Control-line (WMIC) tool to pull the system's serial number from its BIOS.

If you don't run across your PC'due south serial number, blame your PC's manufacturer. The number will only appear hither if the PC manufacturer saved it to your computer's BIOS or UEFI firmware. PC manufacturers don't always fill in the number properly. In that case, yous'll see something like "0" or "To be filled past O.E.Grand." instead of an actual serial number.

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This is likewise true if you lot congenital your own PC because the PC itself won't have a series number. However, yous tin can look up the serial number of your motherboard and other components.

Cheque the BIOS

You may likewise exist able to find the series number in the BIOS or UEFI firmware settings screen. This technique won't get you a serial number if the wmic command didn't, since the command pulls the serial number from the BIOS. However, checking the BIOS could be helpful if y'all can't really sign into Windows to run the wmic control.

RELATED: What Does a PC'due south BIOS Do, and When Should I Utilize Information technology?

Access the BIOS or UEFI firmware settings screen and look effectually for a "Serial Number" somewhere on a system data screen. Information technology'll exist in a dissimilar place on different PCs, merely you can normally find information technology somewhere on the "Main" or "System" screen.

Discover the Serial Number On the PC'due south Hardware, Box, or Elsewhere

If y'all don't meet a serial number after running the wmic command—or if you but tin can't turn the PC on or don't have access to it—there are several other places y'all might find the serial number:

  • If you have a laptop, flip it over. On some laptops, you'll see the number on a sticker. On others, you'll see the number printed directly on the metal or plastic the laptop is made from. If your laptop has a removable battery, the serial number is sometimes on a sticker inside the battery compartment, under the battery.
  • If you lot have a desktop PC, look at the back, tiptop, or side of the instance for some sort of sticker. The number may also exist on a sticker inside the case, so you lot might have to open up it upwardly.
  • If you tin can't observe the serial number on the PC itself, look online for instructions specific to your model. The manufacturer's website should tell you exactly where to look.
  • If you registered your PC with the manufacturer or received warranty service, the serial number should be included in the registration documentation, warranty service receipt, or electronic mail confirmation for the service.

  • If you all the same take the original product box, it normally has the serial number printed on it—oft on the same sticker with the bar lawmaking.
  • If you purchased the PC online or in shop, the serial number may exist printed on the concrete or email receipt you received.

And if you merely tin can't find your serial number at all, don't give up hope. If y'all have proof of purchase, the manufacturer nonetheless may be able to assistance you with whatever service you demand and may even exist able to find out the serial number for you.

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