I recently read a post about finding your Microsoft Windows 10 product key. Microsoft likes to hide it but there are occasions you need to know the key. The key is a 25-characters code, making it virtually impossible to remember.
This is for Windows XP through 10 devices

That post gave a long command to use and a complicated Visual Basic Script (vbs) from an unknown author to be saved as a text file to run. To make things even more complicated, using two methods, the author showed two different keys. But there is a pain free way to find the key that I posted about using Belarc Advisor. This free software program is among the best to provide a detailed inventory of your device’s hardware and software.
Here is the link for installing and running the free Belarc Advisor program.
Scroll down the report till you see the Software Licenses section. There you will find your Windows product key plus other software keys. See below image:

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Please feel free to leave a comment. I would love hearing from you. Do you have a computer or smart device tech question? I will do my best to answer your inquiry. Please mention the device, app and version that you are using. To help me out, you can send screenshots of your data related to your question.