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Find BIOS version information

There are multiple ways to find BIOS version on a Windows computer.  These are explained below.

Using System information GUI utility

Execute the command ‘msinfo32’ from Run window.  This will open ‘System information’ where you can see the computer’s software and hardware information. In the details for the ‘System Summary’ node, check the value of the item ‘BIOS Version/Date

Using Systeminfo command

Systeminfo is command line equivalent of the System information utility described above . Using this command, we can find BIOS version as follows.

Systeminfo | findstr /C:BIOS

Running this command on my computer prints the following.

c:\>systeminfo | findstr /C:BIOS
BIOS Version:              LENOVO 6IET58WW (1.18 ), 4/19/2010

Using WMIC

You can run the below command to get BIOS version information of your computer.

wmic bios get  manufacturer, smbiosbiosversion

Using Registry Keys

Open registry editor and navigate to the registry key ‘HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\BIOS‘. Check the data in the registry values BIOSVendor, BIOSVersion.

From command line you can dump all the BIOS related information from registry keys using the below command.

c:\> reg query HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\BIOS

HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System\BIOS
BiosMajorRelease    REG_DWORD    0x1
BiosMinorRelease    REG_DWORD    0x18
ECFirmwareMajorRelease    REG_DWORD    0x1
ECFirmwareMinorRelease    REG_DWORD    0x7
BaseBoardManufacturer    REG_SZ    LENOVO
BaseBoardProduct    REG_SZ    2537GK1
BaseBoardVersion    REG_SZ    Not Available
BIOSReleaseDate    REG_SZ    04/19/2010
BIOSVendor    REG_SZ    LENOVO
BIOSVersion    REG_SZ    6IET58WW (1.18 )
SystemFamily    REG_SZ    ThinkPad T410
SystemManufacturer    REG_SZ    LENOVO
SystemProductName    REG_SZ    2537GK1
SystemSKU    REG_SZ
SystemVersion    REG_SZ    ThinkPad T410
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