You can download the scene to use realistic natural light settings in your projects and understand the settings.

Interior modelled with Cinema 4D Optimized mesh. High-quality models and Corona shaders 3d object in the scene: 3 types of candles, clock, table, sofa,pillow, cupboard, wine bottle, 2 types of wine glass, tv stand, tv, ps4 (no texture), windows, curtains.

Created in Cinema 4D R20 and Corona Render 6.

The files work only in Cinema 4D software. Remember that the FBX file does not import materials and light, only the geometry itself.