How to toggle the ruler on

I’m using Scrivener 3.1.5 and am starting a new project. I like to have the ruler showing so I can adjust the formatting when necessary. But I cannot figure out how to toggle it on, and unfortunately, it appears that the default is to have it invisible. Where, oh where, are the setting to keep the ruler visible?



Thanks. And I finally figured it out on my own just before I saw this. Hopefully, I won’t forget where to find it after I sleep a day or two.

Here is a neat trick for when you can’t find something :