Thanks, I tried that software, but it didn't seem to have what I needed.

Looks like that was a dud, didn't have the feature I needed. Thanks for the help though!

Thanks! I'll check it out!

I see, mine are all the same resolution (1080p)

Yes, that last image is how I have them arranged, but the biggest and topmost is a 40 inch while the bottom two are 20 inch. in actuality, the top one is the width as the bottom two side by side. But...

yeah, the UI or GUI scaling isn't the problem, it's windows not scaling the relative size so that the bottom edge of the top monitor spans the top edges of the bottom two side by side so that I can...

Extend. I can change the scaling factor now (and set custom ones) but that only alters the size of the UI.
Also, thanks for posting a reply! I've been trying forums for a while now with no responses.

So I have 3 monitors, two 20 inch and one 40 inch that I have arranged with the smaller two side-by-side on the bottom and the biggest above. They all are 1080p, but the problem I'm having is the...