Type the following vbscript to the notepad.
Windows 10 valid key check.
Volume licensing mak and kms.
If your windows 10 is activated and you want to check the product key of it your can see this article.
Windows 10 is the latest and last version of windows.
There is one more type of key.
How to check windows 10 product key on your computer.
You can run slmgr dli or slmgr dlv to show the partial default product key instead of the oa3 dpk as the current license in the firmware.
Windows 10 including all versions starting at windows 10 creators update is deployed to a device by having the appropriate default product key.
Windows 10 keys that consumer buys directly are usually valid until the life of the machine retail and oem.
Whether windows 10 is genuine or activated the status looks like the same in the system properties window.
So how to check if windows 10 is original or not.
Save the file as vbs file.
Click windows logo and r key on the keyboard in windows 10 to open the run dialog.
If your windows 10 is not genuine and you want to activate it with a product key you can follow here to see how to change windows 10 product key.
You can use command prompt to validate windows 10.
If you are an advanced user you also can use the vbscript to read the value from the registry and translate it to 25 alphanumeric characters serial key.