| Scenario | User Message | |----------|---------------| | Code already redeemed | "This code has already been used." | | Code expired | "Registration code expired on [date]." | | User already has active plan | "You already have an active plan. Registering a new code will overwrite your remaining days. Continue?" | | Code from different region | "This code is not valid in your region." |

Attempting to use unauthorized registration codes poses several risks:

Rarely, tech review YouTubers or deal sites partner with iToolab to offer 10–20 free license keys to their audience. These are legitimate.