But even if you have a monitor that supports DCI-P3 you have to slog through modes, profiles, and blog posts to get it setup.
Should you always have HDR on? Why does SDR content always look "wrong" when HDR is on? Oh, it's because the peak brightness and color saturation blah blah blah.
Gamma 2.0, 2.2, or 2.4?
Now you learn the hard way the "desktop" is not color managed, it's the individual applications.. If they want to be. Maybe they'll use the windows configured profile, maybe not.