@Turboladdade Thank you for this information.
So I have to do this on every client computer in order to make the video wall. Do I have to do anything with the server computer?

Hello,
I'm having a little problem with arraysync.
I want to make a videowall out of 4 Mac's and all I can do now is play the same video on every mac.

How do I make every mac show a piece of the same video?
If this works, I'm buying