OPTION #1
Exit the train station on the right side, where the stairs are (opposite McDonalds and the Pharmacie).
Take Via Alamanni to the left, and then turn right onto Via Santa Caterina da Siena.
Walk up to the traffic light, turn left on Via della Scala. Past Piazza S. Maria Novella until the street becomes Via del Sole.
When Via del Sole ends, take Via della Spada for a short distance until you get to a traffic light, which is Via Tornabuoni.
Turn right and walk on Via Tornabuoni until you get a square, Piazza Santa Trinita (there is a tall statue with a man here).
There are streets connected at this piazza, ours is the last street on the left, Borgo Santi Apostoli.
Walk down this narrow street, we are at #17 on the right side of the street.

OPTION #2
Exit the train station on the left side near McDonalds and the Pharmacie.
Turn right and walk through the square Piazza della Stazione, past Piazza dell'Unità Italiana and take Via de' Panzani until you see a chain which stops cars from entering the road.
Turn right onto Via dei Rondinelli which becomes Via Tornabuoni.
At this point keep going and walk until you get another square, Piazza Santa Trinita (there is a tall statue with a man here).
There are streets connected at this piazza, ours is the last street on the left, Borgo Santi Apostoli.
Walk down this narrow street, we are at #17 on the right side of the street.