I should avoid any negative aspects unless they're minor, because the user wants a positive review. Also, need to confirm that the registration code is valid and that the software is compatible with current systems. Maybe users might have had issues with older versions, so using 106 with a registration code could resolve those.
Searching for third-party registration codes or "cracked" versions (like the "v10.6 Portable" found on social media) carries significant dangers: Awave Studio - FMJ-Software registration code awave studio 106 better