Mike did you get a gig on fiver removing checkmarks?
Should I confess that I'm a gamer but a poor one? I previously loved my "1200p" dual monitors, but I couldn't afford to add a third for gaming. So, instead I gave them up for an even weirder 3840x1600 monitor, which is a tolerable compromise of both goals.
I use MS PowerToys' FancyZones to slice up that display into useful comparative chunks reminiscent of the dual displays themselves split in half, and gaming gets an expanse unbroken by bezels and framing.
Yes. FancyZones uses templates to define arbitrary zones of the display into which applications can be moved and resized. Those zones can even overlap: the one I use divides the display into thirds and two-thirds, and the native Windows snapping allows halves. Applications can be excluded from this, and also remember the last zone used.
There are other solutions for that; I last used GridMove before MS PowerToys. Windows 11 also has a feature.
Also, it's open source:
https://github.com/microsoft/PowerToys
Also, about Windows 11: If you grab a window by its title bar to move, you might notice a little black inset bar at the top center. If you drag the window into that, a context menu of sorts appears and offers various predefined zones into which you can drop it. The same is also available by hovering over the Maximize button in the window. It's not as flexible as FancyZones, but it's baked-in.
I have found such trickery indispensable, even when I did have dual monitors. If you're a "rabbit hole spelunker" you'll likely appreciate it, too.