How to disable ubuntu "activities" button?

Question

linux

Hello!
When you turn on the laptop, after loading the desktop, such nonsense appears, as in the photo. Simply put, it's as if the "activities" button is "pressed"
And how can I disable / remove the "activities" button, which is located in the upper left corner?

Answer 1

it's part of the gnomeshell.
change DE to kde/xfce or install WM as desired. There are no restrictions, this is not Windows.

Answer 2

DE on kde/xfce