Although Windows 11 shows icons in an Overflow menu on the Taskbar, it is possible to stack or unstack icons on the Taskbar using this tutorial. You can do that with the help of the Registry Editor.
Right-lick Taskbar and choose ‘Properties.’ Then from the ‘Taskbar Properties’ window select ‘Customize’. Next, select which Icons and notifications should appear on your taskbar and hit the ‘OK’ ...