The second option that you have is to use the Settings (former PC Settings) Control Panel instead. It is necessary to repeat the process whenever you need to modify the behavior of another icon, for instance from a program that you just installed on the system. Use it to make the necessary modifications to one or multiple icons and click on the ok button afterwards to save those.
The window that opens displays all know System Tray icons and their visibility status.
Tap on Windows-Pause to open the System Control Panel applet.One option that you have is to open the notification control panel applet manually.