The moment you realize data is missing, stop saving new files, browsing the web, or running programs on that drive. New data can overwrite the physical spaces where your deleted files still live.
I should also mention that activation codes are usually one-time use per device and that sharing or selling them is against the terms of service. Maybe include a checklist for users to verify their code's legitimacy. Also, highlight customer testimonials or case studies where ApowerRecover has helped recover important files, reinforcing the value of the product when activated properly. apowerrecover+145+activation+code+extra+quality