Connect an ethernet cable from your processor to your laptop running COEX VMP.
It should auto populate on the side. Select that processor. When you do you will likely see the last show configuration that was used on that processor.
To patch your runs you click a port and then click and drag across the mapping screen above.
If mapping a snake or switchback and it does not map the way you'd intended there are different varieties of flow you can select
Across the bottom you will see Panel counts as you connect panels to the ethernet ports of the processors and it will tell you what % of total capacity the port is at.
On the source tab you select what source you want feeding the wall and can set the resolution of your screen.