You can change the Primary and Secondary monitors on Windows 11/10 using Settings. You can also make external monitor the primary display.

How to Change Your Monitor's Resolution When it Is Too High to Display. Sometimes, in adjusting the settings on your computer in your office, you can make a mistake. When adjusting display ...

You can change the Screen or Display Resolution in Windows 11/10 using Settings, PowerShell, HRC, QRes command-line or this QRes script.

Don't be mystified by your monitor settings: Here's what you can change in Windows, in macOS, in your games, and on the monitor itself.