Orientation of the sofa in the living room: there should be support behind the sofa: the so-called support means that there is a solid wall behind the sofa, so there is no worries and it conforms to Feng Shui. For this reason, all the chairs used in court in past dynasties chose natural marble as the backrest, and the pattern on it had better have a faint mountain view.
The window of the living room faces west. The window of the living room faces west to east. Feng shui is basically nothing to pay attention to, mainly considering light. If the window faces west, you can consider sunbathing in the west. I hope it will help you. I hope you can adopt it.