aggiornamento prestashop alla versione 1.6

Good evening, I want to update the version of my prestashop website from 1.3.2.3 to the latest, 1.6., keeping all the data in the site to update: 900 Registered customers, orders, and products (approximately 300). I have read all and i am confident sir talk to me thanks

Ecco la mia offerta, aggiornarerò la sua versione di prestashop mantenendo tutti i dati del sito da aggiornare: clienti registrati circa 900, ordini, e prodotti (circa 300).

Hello sir, I am Rashmi, I have 5 years of experience in developement... I read your project detail... I will do it with 100% correctnes and new features.. Contact me i'll show you my previous work