How to find the BIOS serial number on Windows 98?

In Windows 10 I can use WMI, but it seems that Microsoft has removed this download from their website which supports Windows 98. I need to use it for a legacy project.

Any ideas, or other tool recommendation I can use? I am looking for command-line solutions.

EditI am trying to identify a PC ranging from Windows 98 to 10. I think that the serial number of the BIOS might be a good option.

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1 Answer

To enter the BIOS, press the appropriate key (e.g. DEL) (on some systems, F1 or F2 or F11) repeatedly at startup. Then read the serial number from the BIOS screen.

Alternatively, the program BIOS.EXE v1.35 (24 KB) will save the computer's BIOS settings to a file (e.g. save it to Drive D).

Syntax -

BIOS.EXE S D:\CMOS.BIN

You can then, for example, inspect the saved data in a hex editor.

Note - Do NOT run this EXE file in a Windows DOS box. The BIOS is divided in two parts: the first contains procedures only needed while booting, the second contains all other procedures. The first part of the BIOS segment is used as conventional memory after booting. If you try to make a BIOS dump from within Win9x, you get a dump file with some normal memory and the second part of the BIOS; the first part is missing.

See this link:

Or this link:

Alternatively, you might find this tool helpful:

CrystalDMI 1.0.5 from

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