Would sro run "smoothly" on windows 7 ?

[supermando]

so I'm thinking to put windows 7 on my pc but i wounder if sro would run smoothly with no crash,lag,etc ?
here's my pc specifications
-Processor :AMD Phenom II X4 955 Black Edition 3.2GHz Socket AM3
-Mother Board:ASUS M4A78T-E - AMD 790GX/SB750
-RAM :2*2G Kingston DDR3 1333
-VGA :HD3300 built-in Mother Board *anyway going to buy new one next week so ignore this point with no flame i mean*