It works for retail oem etc licenses.
Get windows 10 activation key from bios.
The windows 10 settings app has a page for displaying your activation information including whether you have a digital license though your key isn t shown here.
The key extracted will be install and activated using windows software licensing management tool tool is command line based can.
Settings update.
This method displays the windows product key stored in your computer s bios or uefi firmware.
Once executed it will retrieve our windows product key from the bios uefi and show it to us in a convenient pop up window.
But to have the process run smoothly you will need the right windows 8 10 installation media that matches the one stored in bios.
The tool will extract the key windows management instrumentation command line.
This post shows how to find windows product key using command prompt or powershell from bios uefi or registry.
Theoretically you will never be asked for a key to activate your machine.
The key is now embedded in bios and can be retrieved automatically during the activation process in windows 8 10.
In other words it shows the original windows key your computer came with.
It is to be noted that a retail product.
The 25 digit product key will then appear.