When you upgrade to GOM Player Plus , your email address and license key serve as your digital identity. Unlike free software, this paid version requires these two pieces of information to verify your "genuine" status.
GOM Player Plus is a paid upgrade from the free version of GOM Player. en.wikipedia.org
When you purchase GOM Player Plus, you're essentially buying a license that grants you access to premium features and updates. To activate your license, you'll need to provide your email address and a valid license key. This ensures that you can enjoy the full range of features and benefits that GOM Player Plus has to offer.