L-15.5 1st impression

I hope I'm wrong but it looks like 15.4-kde will be my last one. I haven tried only the kde desktop but I see no way to set up a conventional Application launcher with thew cascading menu tree. I even pre-copied an entire user folder from 15.4 but none of that had any effect. What I do see is a smartphoneish, microcancerish, touchpadish deskdump of which I will have none. Tomorrow I'll look at the XFCE setup.