Christmas tree. Version for VRay.
Corona version https://3dsky.org/3dmodels/show/novogodniaia_elka_17 

Polys: 629755
Verts: 1392538
Units: Millimeters
Dimension: 1786.19 x 1825.09 x 1922.92

Format: 3Ds Max 2013
Export: OBJ 3DS MAT

Who works in V-Ray version lower than 3.1 be careful in the materials in the BRDF section there is Microfaset GTR (GGX) if your version is older than 3.1 then the BRDF field will be empty. Choose Blinn Phong or Ward – which is preferable for you