The Windows registry stores the BIOS version, though this method is more technical and not recommended unless other methods fail.

You can also use the newer CIM cmdlet (preferred for modern systems):

Below are the most reliable ways to check your BIOS version in Windows 11, ranging from graphical interfaces to command-line tools.

The fastest and most reliable way to check your BIOS version in Windows 11 is using the built-in tool . You can also use quick terminal commands if you prefer. Method 1: System Information (Easiest)