If you are looking for their product key Windows 10, you can find it by entering a quick command in line commands (Command Prompt). Below we will see how it is done without any third party application.
To find the Windows 10 product key using the Command Prompt, you must open the Command Prompt application with administrator privileges. To do this, type "cmd" in the Windows search.
The black command line icon will appear in the results. Right-click and select "Run as administrator."
When open, copy and paste the following command. Then you have to press the Enter key:
wmic path softwarelicensingservice get OA3xOriginalProductKey
The 25-digit product key will then appear.
This way is fast, but it is one codes that you will remember very easily. If you want a faster way to see your product key in the future, you can use the Windows Registry method.
The Windows Registry technique was originally posted by a user (o account of which is no longer active) at forum of Microsoft.
First, open Notepad and create a new text file
Copy and paste the following code into the new txt file:
Then select "Save As".
In File Explorer, set the "Save as type" drop-down menu to "All Files" and give your file a name.
You can use any name, but you will need to save it as a .vbs file. You can name it for example: iguru.vbs
Save the file.
You can now view the Windows 10 product key at any time by simply opening the new file.
Another key comes out in the first case and another in the second.