I have 4 different PCs, thus 4 different monitors.  I also purchased the multi-client Dell 43" monitor to allow quadrant stacking:  server screen is bottom-right and clients are relative to server, clients are left, left-top, and top. However, the mouse cannot pass from client to client, only from server to clients....   This is the entire reason for purchasing this software.  I need an answer within 24 hours or I will cancel my order (based on the large amount of unanswered questions i see