Read: System Tray icons do not work. Windows 10 users may open Settings > Personalization > Taskbar and then click Turn system icons on or off, link. However, if you are using Windows 11 ...

Settings such as your computer’s volume ... if these options can’t be adjusted from the System Tray itself. System Tray icons do not open in Windows 11/10 If the Notification Area or System ...

Note that the new icons in the Settings app are just an experiment, which means Microsoft can pull them out of the operating system at any time (like the company did with the new taskbar animation).