Windows 11 Taskbar Bug at day 1

[Harish140606]

I have installed Windows 11 from Microsoft's official Update Assistant....But Instead of Windows 11's Taskbar i have Windows 10's....is this a bug and how to fix this????Screen Shot of it

[#2]

Hello
if everything works well, the next update will change that, but for me the new taskbar is less productive and not functional - so I would be happy
if Windows11 had left it like that.

[#3]

https://techcommunity.microsoft.com/t5/windows-insider-program/windows-11-taskbar-issue/m-p/2538528