Alll software is built into the dongle - just plug it into the USB port.
Many cell phone stores represent multiple service providers, and can offer a wide choice of voice, messaging and data packages, as well as often having relatively inexpensive, basic unlocked cell phones (from €29 on up) to which you can add a SIM from any of the cell companies.
Roaming rates, particularly for data services, can literally cost thousands of dollars.
Pay by phone cam italia
This policy is similar for other providers, so plan on refilling in a shop versus online.
There are four major GSM network operators in Italy, as well as several network resellers such as Italian Postal Service and the Coop Adriatica supermarket chains that sell SIM cards: it For many, it is sufficient to get a tablet SIM card while traveling, even to put in your mobile phone.
Vodafone is also known for engaging in such slippery shenanigans (and they're more expensive - 2.5 gigs for 10 euros).
WIND seems to be less so, but naturally all companies here have their own interests in mind.
If your SIM card is WIND, it will take about one hour to get activated after purchase. 9 Euros a month for 1GB data, plus card costs (around 15 Euros, plus min 10 Euros top up.
If in any doubt, get a wind dongle, around 40 euros.
There is a TIM stand in departures in Rome Terminal 1. TIM will ONLY accept Italian credit cards, so if you intend to use an American credit card (or one issue in any country other than Italy) to add credit to your account, TIM will not be a good choice for you.
One issue with Italian cell providers is that unless you speak Italian, it may be difficult to navigate through the options such as adding talk time, checking your call credit or accessing voicemail.
Once purchased, the credit on your SIM card generally lasts for 12 months.