After installing Mafia Wars for the 1st time, you are shown a screen whereby you type in your player name and choose between 3 classes: Mogul, Maniac and Fearless. See the Character Selection Strategy before installing the Game . Also make note: You cannot change your name after this point without paying Reward Points, so choose wisely!
Do the only job available: Mugging.
Upon reaching level 4, Properties tab is unlocked.
Buy the equipments needed under the Inventory tab.
Upon reaching level 5, Fighting tab is unlocked.
Upon reaching level 6, Home tab is unlocked.
Upon reaching level 7, Godfather tab is unlocked.