Going through the editor is just "adding" edition capabilities to Unit3D Pinball player.
This can be done either by clicking the "Editor" link, then choosing the table (fpt or upt), or by adding the argument "/editor" in the command line.
You can also select
when using the minimal launcher.
This will gives you access to new buttons in main menu:
Important: Editing capabilities can slow down the simulation. Thus, for a better game experience, do not add "/editor" when you play the table.