While the Community Edition is free for personal use, the Professional Edition (approx. $160/year) includes high-value features for advanced network engineering: 

Security Vulnerabilities: Cracked software is a primary delivery method for malware, ransomware, and keyloggers. Since EVE-NG often requires high-level permissions on your local machine or server, a compromised version gives attackers a backdoor into your entire network.

Are you trying to set up a specific network lab or having trouble installing the Community edition?

Alternatives to Cracked Software