If you're interested in learning more about the implications of using free product keys, here's a brief paper on the topic:

This paper explores the risks associated with using free product keys to activate Windows. It highlights the potential security risks, activation issues, and the importance of obtaining a valid product key from an authorized source.

Windows product keys are essential for activating a copy of Windows. However, some users may be tempted to use free product keys from online sources. This paper examines the risks associated with this practice.