Suggestions for making this family room look nicer: clear it out completely, clean the dirty dog door flap, remove the cheap vinyl floor tiles, and repaint the room.
Putting away the clothes and shoes would be a big help for this family room. And clearing up/off the desk and wall clutter.
The fall décor should be packed away. Too many clashing colors. Remove the book cases if possible.
This family room sure looks drab, dull, and dusty.