Microsoft flight simulator x , Is It Possible In Window 7 , 64 bit ? If so How ?

I am Buying Dell New Inspiron 15r , 1 gb Nivedia Geforce gt 525m Graphic card , i want to knw if Microsoft flight simulator x Runs on Window 7 64 bit...or wil it work fine on window 7 32 bit , or vista which one ? help me guys ..ur help wil be appriciated