26 July 2017

Get a Windows licence key from a machine after it's been uninstalled

It turns out you can get the Windows licence key from a machine, even after it's been uninstalled, using Linux. Run this in the console

sudo hexdump -s 56 -e '"MSDM key: " /29 "%s\n"' /sys/firmware/acpi/tables/MSDM

If the key is in your machine's firmware, you should see it.

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