By Car. (approximately 45-minute drive)
You can rent a car in Arezzo and drive to the Villa. Please find some car rental companies linked here below.
https://www.hertz.it/rentacar/reservation
https://www.rentalcars.com/en/city/it/arezzo
https://www.europcar.it/it-it/noleggio-auto/sedi/italia/arezzo
You can also have a chauffeur pick you up and drive you to the Villa. Please find some chauffeured car agencies linked here below.