How To Get Windows License Key. This method displays the Windows product key stored in your computer's BIOS or UEFI firmware. Download and install this program, and then launch it to get its main interface.
Download and install this program, and then launch it to get its main interface. You may be transferred to another department to activate the key before it can be used. Download link from Microsoft site also included.
Just execute the command and you will have the license key instantly.
After a short while, the last five digits of the product key will be displayed in a pop-up window: The command line displays the last five digits of a licensing key.
How to find Windows License Key from PowerShell. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. Thereafter, you can note down your product key, or copy and paste it into a text document, for reference.