You will start by standing on the right side of that pool table. Turn to your right and you will see the staircase railing. Stand in between the railing and the pool table. Slightly to your left you will see the staircase going down. Walk towards that and go down the stairs. Once you're in front of the window at the foot of the stairs. Turn right and walk towards the back of that rounded couch. Continue to walk behind the couch and now facing the two arm chairs. To the right of that there will be an open double door. Walk inside this room you will see a home gym. Jump over this gym equipment in front of you and stand in front of the mirror. Once you're standing in front of the mirror then you're done.