Open “MainFiles.psd” – in this file, you can see “Three-seater” folder and background layer. Expand this folder and you can see shadow / reflection and Main Layers in separate folders.
In Main Layers/Textiles folder you can change the texture of the sofa just double click on a smart object – marked blue with text “replace me”. Now simple change texture and save a smart object. When you return to the main file you will see changes. Also in “Textiles” folder is located 7 prerendered materials in separate layers. If you want to change the color – Image/Adjustments/Hue-saturation
In “Wood” folder You can change the texture of wood. Double click on a smart object and chose between 5 options. Save and close smart object and that’s it.
In “Shadow and Reflection” folder you can change the opacity of shadow and reflection.