Display Condition: Show for logged-in/out visitors
If you want to offer a promotion based on visitors being Logged in, Logged out, or All, this display conditional allows this action.
Editing your popup, then you want to show the Display Conditions.
When you can edit the display conditions, you will want to turn on Show for logged-in/out visitors, then you can select All, Logged-in only, or Logged-out only.
You then can close the editing of display conditions (top-right corner) and then save/publish your popup.