The keyword has three distinct user intents:
If you fall into the second category (trying to find a free, cracked code), we need to have a serious talk about security (see Part 6).
If you absolutely cannot pay for Airy, do not risk malware. Instead, use these free and open-source alternatives that do not require any activation code:
A: Uninstall Airy completely, delete the leftover folders in AppData (Windows) or Library (Mac), reinstall, and try again.
A: Yes. Deactivate the license on the old computer via Help > Deactivate License, then install Airy on the new PC and enter the same code.
Unauthorized activation codes often modify core system files or the application executable.