MechaKeys is a free application , meaning you do not need a "crack" to use it.

The 2021 crack of Mechakeys, a software tool used for designing and optimizing mechanical keyboards, sent ripples through the keyboard enthusiast community. This event raised questions about software security, intellectual property protection, and the relationships between software developers, users, and the broader community.

Which of those would you like?

: Sites offering "cracks" are notorious for hosting malicious files. Downloading an executable (.exe) from an untrusted source can lead to your data being encrypted by ransomware or your personal information being stolen by keyloggers.