Alternatively, they might have purchased the software and the key came with version 1.04, edition 14 or something like that. The feature could be about how to enter the license key, activate the software, check validity, or manage it through the software's interface.
Another thought: Maybe "License Key 14" refers to a specific update or patch for version 1.04. The feature could be about applying a patch to fix bugs or add functionality. However, without official sources, this is speculative. Zerene Stacker 1.04 License Key 14
: While "1.04" refers to a specific build (e.g., Build T201706041920), the software is regularly updated to support newer operating systems and camera RAW formats. Alternatively, they might have purchased the software and
: Paste the key (Ctrl+V or Command+V) into the text box and click activate the software