Import 3D Model from Skatchfab

I bought a model in Sketchfab and it comes on 4 Poses and different Parts. When i Import the FBX file a folder with alot in as seen in this Picture:


when i select all and drag it in to my Lvl i get this as a result:

and those Models are just a bunch of assets combined.
How do i merge it all together i just want one Model with a skeleton so i can atach some animations to it.
Bild_2023-07-25_183446557

In the describtion of the Model on Sketchfab stands that it has a Skelton with it:
Ty for the Help