You will find YouTube videos and forum posts promising a "Synology Surveillance Station License Keygen" or a "Patch file."
These units are expensive (usually $800+), but the math works out: synology surveillance station license free free
Keygens for Surveillance Station are a favorite vector for ransomware. You aren't saving $200 on licenses; you are risking $2,000 in data recovery fees. You will find YouTube videos and forum posts
These options give you recording, motion detection, and alerts without any camera license fees. you are risking $2