People who bought inSSIDer 4 in the past and are trying to reinstall it.
Check your inbox for your original purchase receipt from MetaGeek. Legacy Status: Inssider 4 License Key Activation
Original v4 keys are still valid for that specific version, but they won't work on the newer inSSIDer 5. Upgrade Path: Most users are now moving to the free version of inSSIDer People who bought inSSIDer 4 in the past
Users searching for inSSIDer 4 who might not realize it has been replaced. Inssider 4 License Key Activation