A visit to the Vatican Museum and the Basilica of Saint Peter is an obligatory stop for anyone spending time in Rome. There's a lot to see and remember that the Museum entrance in Viale del Vaticano is open from 9-14 Monday to Saturday. So get there early to join the queue or book yourself onto one of the many guided tours.
Alternatively, note that the last Sunday of the month allows for free entrance between 9-12.30. Go there in mid February you'll have the place to yourself.
An alternative tour is the Vatican Museums and Saint Peter's Basilica - Art and Faith Itinerary lasting 3 hours for 36 euros.
Your itinerary takes in the Pio Clementino Museum, Gallery of the Candelabras, Gallery of the Geographical Maps, Gallery of the Tapestries (Renaissance art), Raphael Rooms, Sistine Chapel and, of course St. Peter's Basilica.
Similarly, the 2 hour Vatican Gardens tour runs every day except Sundays and Wednesdays and costs 31 euros. The ticket also gives access for to the Vatican Museums.
The Vatican City has embraced the web and digital communications and the super practical Official Vatican Museums website boasts virtual 360° tours and all the information you need for a visit.
Follow this link
http://mv.vatican.va/3_EN/pages/MV_Home.html