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

If you want to change Hyper-V Display Resolution, you must enable Enhanced Session Mode on the Windows system. Read this guide to know more.

Although Windows 11 can automatically configure the optimal refresh rate, you may sometimes need to change the settings manually.

If you've left the default settings on in Windows 11, you're missing out.

I always adjust these settings on any new Windows 11 PC to enhance my experience.

The default Windows mode needs to be dark in order to change the taskbar color. If it isn't, the option to change the taskbar color will be grayed out.