This specific 3D model, "Chinese ancient house 3D model 38", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
The licensing terms for this digital asset are governed by "Unknown license".
MAX (Autodesk 3ds Max, filesize: 94.9 MB), OBJ (OBJ, filesize: 46.7 MB), FBX (Autodesk FBX, filesize: 105 MB), STL (Stereolithography, filesize: 29.4 MB), SPP (Substance Painter, filesize: 94.9 MB)