Show Windows BIOS and firmware identity
Build a paste-ready command, then review its compatibility and effects before running it.
Get-CimInstance Win32_BIOS | Select-Object Manufacturer,SMBIOSBIOSVersion,ReleaseDate,SerialNumberread-onlyno known side effects Compatibility
WindowsVerified for Windows using powershell syntax.
Operational knowledgereview due 2027-01-20
RequirementsGet-CimInstanceGet-CimInstance must be installed and available on PATH.
Version supportGet-CimInstance Current supported releasesVerified for windows using powershell syntax; consult compatibility notes for platform-specific differences.
Expected signalsManufacturer SMBIOSBIOSVersion ReleaseDate SerialNumberRepresentative successful output; values vary with the selected target and system state.
Known errorsGet-CimInstance: command not foundGet-CimInstance is missing or is not available on PATH.
VerifyGet-CimInstance Win32_BIOS | Select-Object Manufacturer,SMBIOSBIOSVersion,ReleaseDate,SerialNumberThe output matches the expected target and exits without an error.Rollback noteNot required: this command is read-only and does not change system state.
Command breakdown
01Get-CimInstanceCommandRuns the Get-CimInstance stage of this one-liner.
02Win32_BIOSArgumentPasses Win32_BIOS to Get-CimInstance.
03|PipelinePasses the output on the left to the command on the right.
04Select-ObjectCommandRuns the Select-Object stage of this one-liner.
05Manufacturer,SMBIOSBIOSVersion,ReleaseDate,SerialNumberArgumentPasses Manufacturer,SMBIOSBIOSVersion,ReleaseDate,SerialNumber to Select-Object.
Example input
Get-CimInstance Win32_BIOS | Select-Object Manufacturer,SMBIOSBIOSVersion,ReleaseDate,SerialNumber
Example output
Manufacturer SMBIOSBIOSVersion ReleaseDate SerialNumber
------------ ----------------- ----------- ------------
Dell Inc. 2.18.0 1/15/2026 12:00:00 AM ABCD123
Illustrative output — exact values vary by system and data.
Official sources