Get Computer Serial Number & HP Product Number using Powershell

You can use powershell to quickly obtain the serial number/service tag for a computer/server

get-wmiobject win32_bios | select SerialNumber



Some computer manufacturers (such as HP) also have a product number that you can access with the following command;

get-wmiobject win32_computersystem | select-object OEMStringArray

This win32_computersystem class also contains other details/information such as the Manufacturer and Model number of the computer system - you can view all the details by removing the pipe and everything after it

get-wmiobject win32_computersystem

This information is also available through the registry via the key
HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System