Serial Number for This Computer

What is Serial Number of Computer?

A serial number is a unique numeric sequence that helps keep track of items. All computers come with serial numbers. These serial numbers may become necessary when calling technical support to get help with your computer. Serial numbers are visually displayed on desktop and laptops with a sticker. The sticker can usually be easily located in the rear or underneath the device. Some computer manufacturers, like Gateway, can also link into your computer and find your serial number for you.

Serial Number of Your Windows PC Physically

Most computers have a serial, model, and product number label. Look for barcodes. Laptop users can flip it and look for a sticker. If you do not see it, try removing the battery and looking for a sticker. Desktop users should check all sides of their computer or even the inside of the case for a sticker.

How to Determine PC Serial Number using PowerShell?

  • Open Start. Search for PowerShell, right-click the top result, and select the Run as administrator option.
  • Type the following command to find out the computer serial number and press Enter:

Get-WmiObject win32_bios | select Serialnumber

  • Confirm the SerialNumber information.
  • (Optional) Type the following command to determine device serial number and press Enter:

Get-CIMInstance win32_bios | format-list SerialNumber

  • Confirm the SerialNumber information.
  • (Optional) Type the following command to export the serial information to a text file and press Enter:


Get-WmiObject win32_bios | select Serialnumber > PATH\TO\EXPORT

  • In the command, make sure to replace “PATH\TO\EXPORT” with the path to the text file you want to export the serial number information.
  • For example, this command exports the output to the ComputerSerial.txt file in the C drive:

Get-WmiObject win32_bios | select Serialnumber > C:\ComputerSerial.txt

As soon as you follow the steps, you’ll know the serial number of your desktop or laptop computer.

Check Registration and Warranty Documents

If you had registered your computer with the manufacturer, the serial number should be available on the Registration document.

If you were provided with a Warranty or you purchased extended Warranty, the Serial Number should be available on the Warranty certificate.

How to Determine PC Serial Number using Command Prompt?

  • Open Start from the taskbar and Search for PowerShell, right-click the top result, and select the Run as administrator option.
  • Type the mentioned below command to find out the computer serial number and press Enter button:

wmic bios get SerialNumber

  • Confirm computer serial number.
  • Type the command to export the serial number to a text file and press Enter button

wmic bios get SerialNumber > PATH\TO\EXPORT

  • Confirm the computer serial number and enter the cmd which written below to export the serial information to a text file and press Enter:

wmic bios get SerialNumber > PATH\TO\EXPORT

  • Make sure to replace “PATH\TO\EXPORT” with the path to the text file you want to export the serial number information.
  • Just in case, this command exports the output to the ComputerSerial.txt file in the C drive:

wmic bios get SerialNumber > C:\ComputerSerial.txt

Check Battery Compartment and Case

For a laptop with a removable battery, the serial number may be on a label attached to the battery bay.

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In the case of a desktop computer, the serial number is usually located on a sticker on the inside of the computer case.

Serial Number of Windows PC in Microsoft Account

Many of us don’t know that Microsoft have a list of devices & detail in your account.

  • Sign in to www.account.microsoft.com/devices/
  • Find computer and click Manage. Click on Info & Support.

Serial Number of My Mac Device

  1. Click the Apple logo on the top left corner.
  2. Select About This Mac.
  3. The serial number will be shown on the image below.

And if you can’t find your serial number, don’t despair. If you have proof of purchase, the manufacturer can help you with any service you need and may even find your serial number.