32 bit OS Support?

Hi,

Just wondering if Baldur's Gate: EE has a cut-off for OS versions? I am running Vista Ultimate 32 bit OS on this:

AMD FX-4100 cpu
Asus GT520 1gb gpu
Corsair 2x1gb DDR3 @ 1333mhz
X-Fi Xtremegamer Fatal1ty Pro

Thanks in advance.