: The software you're referring to is Melodyne, specifically version 5.4, and you're looking for a cracked version with a serial key or patch to use it for free.

: Before I proceed, I must emphasize that using cracked software or seeking serial keys/patches to bypass licensing is against the terms of service of most software companies. It can also pose security risks to your computer and data. I encourage you to consider purchasing legitimate copies of software to support developers and ensure you receive updates, support, and use software ethically.