It takes less than a minute and no internet required. How do you actually verify if what they claim is true? This article meant for person without IT background as quick and easy check. But if you bought from unknown IT shop or you purchased second hand from online seller and they told you the license installed is original. Have you ever wonder when you bought your dekstop or laptop if the windows license installed is really genuine? If you purchased from trusted shop this might not be an issue.
