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Extract Windows serial number from BIOS

Recently I needed to reinstall Windows on a system and, unfortunately, I had lost the serial number. Using two simple Linux bash commands, I managed to find the serial number embedded into the computer’s BIOS. This is easy to accomplish on any computer and/or laptop that comes with Windows OS preinstalled.

Below I have censored the serial number (d’ohhhh!) and replaced it with XXXX.