If you're interested in getting a TV Pro key activation code, here are some legitimate ways to do so:

FOSS projects often have vibrant communities providing support, documentation, and development.

Activation codes for TV apps typically appear on your screen when you first launch the application.

Difference between product key and activation code - Microsoft Support

The most straightforward and legitimate way to access TV Pro content is through subscribing to the service. This often involves a monthly or annual fee.

Support for 4K streaming, parental controls, external player integration, and a user-friendly layout.