Can someone figure it out?

how he put that mixer below the inspector also how the transpose controls are above the lower zone mixer?

Hi, you can set your project window to not fill the whole display and then have the mix console in the down part of your display. What you really have to do is to click on the square icon (restore) of these windows, and after they change their size, set them to wherever you want and with the size you want.

Here’s a screenshot from my display: