How to Find Your Computer’s Serial Number on Windows / Windows / How to Find Your Computer’s Serial Number on Windows

If you need to find the serial number for your computer or laptop, you do not need to look in the documentation or the manufacturer’s label on the case/motherboard. Windows can get your computer’s serial number from the BIOS. To get the serial number from the BIOS, query a specific class in the WMI namespace.

To find out the serial number of your computer from the command prompt, run the command:

wmic bios get serialnumber

 get BIOS serialnumber with WMIC command

This command returns the serial number of the computer.

You can also use PowerShell to view the serial number:

Get-WmiObject win32_bios | select Serialnumber

 Find your computer's serial number on Windows with PowerShell

This command only works in Windows PowerShell up to version 5.1. If PowerShell Core 6.x/7.x is installed on the computer, you should use Get-CimInstance instead of Get-WmiObject.

Get-CimInstance win32_bios | select Serialnumber

CIM allows you to get a remote computer’s serial number.:

Get-CimInstance Win32_Bios -ComputerName WKS2112b -ErrorAction SilentlyContinue | Select-Object SerialNumber

If remote access to the CIM is disabled, you can use PowerShell Remoting (WinRM) to access the computer:

Invoke-Command -ComputerName WKS2112b -ErrorAction SilentlyContinue -ScriptBlock {Get-CimInstance Win32_Bios -ErrorAction SilentlyContinue | select SerialNumber}

You can get a list of serial numbers for all the computers in an Active Directory domain using the following PowerShell script:

$computers = Get-ADComputer -Filter {enabled -eq "true"}
Invoke-Command -ComputerName $computers.Name -ErrorAction SilentlyContinue -ScriptBlock {Get-CimInstance Win32_Bios -ErrorAction SilentlyContinue | select PSComputerName,SerialNumber}
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