This sounds like a dodgy procedure to me....sounds illegal, I don't think notebookcheck should really be writing articles showing people how to do something illegal. Getting something for free with a "hack" that business users would otherwise have to pay for....that sure sounds illegal.
Microsoft has ended official support for Windows 7 on January 14, but many home users and businesses still use it as their primary operating system. Enterprise customers can still avail the option of paying for extended support leaving other users reluctant to upgrade in a lurch. This article describes a workaround that non-enterprise users can use to make them eligible for extended security releases.