If you encounter issues with the shaders, you can find the readme and shaders for your version at this link.
SRP, HDRP, and URP are supported out of the box. When importing an asset, select the pipeline you need.
Modular system.
All houses are assembled from modules and have an interior. There are also houses without an interior with simplified details, they are well suited for the background.
Streets can be filled with props. There is no furniture in the interiors.
Optimization
The LOD system usually consists of 3 groups. On texel modules 512 px/m on props 512-1024 px/m
There are two types of buildings with and without an interior. There are also modules for building 2 types.