Unlike consumer-grade remote access tools (TeamViewer, AnyDesk), RSM-B V6 is designed for environments. It requires a robust licensing structure, which is where the "activation key" comes into play.
Search terms like “activation key for rsmb v6 updated” typically indicate an attempt to bypass paid licensing. activation key for rsmb v6 updated
Difference between product key and activation code - Microsoft Support Unlike consumer-grade remote access tools (TeamViewer