This article explains a few different ways to find a Windows 10 product key. In addition to using applications on your computer, we've listed additional places where you can find the key.
How to Find Windows 10 Product Key | Find Your OEM Digital License Key
The easiest way to find your Windows 10 product key is to run a simple instruction in the command prompt.
Open the command prompt by typing cmd in the taskbar search field and selecting Command Prompt from the results.
Enter the following command, or copy and paste it into the command prompt window where you see the blinking cursor: