How do I import megascan content into my unreal project?

Unlike the marketplace- which allows you to directly import content immediately into your unreal project- megascan content is downloaded into a directory of your choosing.
But how do you get that content into an unreal project?

The ‘add feature or content pack’ import option leads you to the blueprint feature or content packs options, which isn’t your megascan content you downloaded.

If you search further in the add/import menu, there isn’t an item for importing 3D objects such as your megascan content [although there is an option for textures/surfaces/materials, so that seems to be be there although I haven’t tried it to see if it is user-friendly or not]

If you select import asset to game, this permits you to navigate to where you saved megascan content, but then it appears that you would have to go through a time consuming effort to load all its materials… what is the actual procedure for making this fast and simple?

I also have my own surfaced 3D content to import, but I am just not finding how to being in such things, starting with megascan content.

Is it really just a ‘bear with it and load each material one thing at a time’ workflow, or is there a way to streamline this much in the same way the marketplace lets you simply load them in?

I was expecting that the megascan content I downloaded would have landed in my library, making this a very simple way to load anything to my project- but this isn’t the case. is there a way to get them into my library at all? Is it possible this is how you are expected to do it? I cannot find anything on how to go about this…