Yo! In case you lost your Windows product key, here is a simple way to retrieve it, without the need of installing any third party software. Note that this is only works on Windows 7, Windows 8 and Windows 10.
To retrieve it :
- Open a command prompt.
- Type this – wmic path softwarelicensingservice get OA3xOriginalProductKey
That’s it. The key will immediately appear below it.