Step One: take down all of the ceiling tiles
Step Two: tear up the carpet
Step Three: Take up the playwood subfloor that has a thousand nails per square inch
Step Four: Take off the wood paneling walls (revealing more tongue and groove hart pine:0)
Step Five: Take up hart pine floor, take down hart pine walls, take down hart pine ceiling. (We have not gotten here yet. We are going to re-use it in another area of the house and are really excited to find it under all the walls and ceiling tiles.)