Where can I find my BIOS version in Windows?

A. When Windows starts, the OS loads information about the main computer BIOS and video BIOS and stores the following information under the HKEY_LOCAL_MACHINE\HARDWARE\DESCRIPTION\System registry subkey:

  • SystemBiosDate
  • SystemBiosVersion
  • VideoBiosDate
  • VideoBiosVersion

This information appears in the registry for informational purposes only; changing these items' values has no effect on the system. (See also, "Troubleshooting Device and BIOS Problems" and ""What is a computer BIOS?").

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