You can restore the missing Bluetooth icon in Taskbar notification area of Windows 11/10 if it is not showing via Settings or Control Panel.

Create Bluetooth shortcut in Windows 11/10 In Windows 11/10, you can find the Bluetooth icon in the system tray, which is the only quick access to Bluetooth menus.

Once you're in there, you can customize the icon to something else—though you'll sometimes need to unpin and re-pin the shortcut to get it to work. How to Customize Your Windows 7 Taskbar Icons ...