How to install a leaked UE4 asset?

I downloaded the medieval village asset, and it comes with all the content files...
but there is no manifest so i can't add it to my vaultcache...

and if i try to add a .uproject file from another folder to its folder, it loads up but all the meshs have no materials...

I have no idea how im suppose to utilize this, or any other leaked asset assuming they are all the same?

a bit of a newb, any help is appreciated guys, idk where else to ask.

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*Edit*

https://ibb.co/QdfMvFq

this is what the assetcomes with, minus the InteriorExample.Uproject of course

you can copy the content folder to your project folder and use them but first look if its compatible but remeber you need to copy all of them textures and all that stuff