I'm kind of a power user, since the C64 and DOS 3.3 days, and I find that Windows' current built-in stuff always works well for me. Never seen a need for a separate launcher app.
Also wonder about that FancyZones. I love how easily Windows makes basic window and desktop management - shortcuts like WIN+[arrow key] or WIN+TAB or CTRL+WIN+[arrow key] that let you move windows around, snap them, tile them, divide the screen between two, switch to another desktop, etc. All those basic functions which if you have MacOS, for some reason you need to buy separate apps just to get that basic functionality. Haven't ever felt a need for a separate app for that either.