Older versions (like 5.20) are technically available in the MikroTik Archive, but they require a license after the trial.
When looking for , you are likely trying to access MikroTik’s RouterOS without purchasing a license. While the appeal of "free" high-end networking software is understandable, using cracked versions of RouterOS—especially an ancient version like 5.20—poses severe risks to your hardware, data, and network integrity. 1. Security Vulnerabilities and Malware mikrotik-5.20-cracked.iso download