I have 2 monitors one above other, and the crossover point from one screen to other is from right side and I wanted to make it upside. Like, my pointer is currently in monitor1 (below) and I want to move to monitor2 (above), currently I have to move my mouse sideways to switch screens and I want to make my mouse move vertically to do the same action.
21 Answer
On Windows you can drag the monitors around in "Display Settings" to arrange them as appropriate...
You can even offset them along an edge: