: Some mobile or desktop versions allow you to click a "Buy Now" or "Activate" button within the app to generate a key after payment is confirmed. Free and Open-Source Alternatives
Wait, the user specifically mentioned "unlock key link." Maybe the unlock key is a license or activation code that needs to be entered after installation. I should mention that the application key might be used during setup, while the unlock key is for activating a feature or premium version. : Some mobile or desktop versions allow you