Section 1.2. The Editor UI
rdInst has an Editor Module along with the Runtime Module (and PCG Module).
There are various menus and windows available:
Menus
Unreal Tools Menu:

Content Browser Context Menu:

World Context Menu:

World Outliner Context Menu:

Windows
About Window:

Instance Settings Window:

Proxy Settings Window:

Randomize Window:

Create rdSpawnActor Window:

Update rdSpawnActor Window:

Copy rdSpawnActor to Level Window: