microsoft windows vista ultimate 32 bit dvd full oem version on dvd oem windows vista ultimate recommended system requirements * 1 ghz 32-bit (x86) or 64-bit (x64) processor * 1 gb of system memory * 40 gb hard drive with at least 15 gb of available space * support for directx 9 graphics with: o wddm driver o 128 mb of graphics memory (minimum) o pixel shader 2.0 in hardware o 32 bits per pixel * dvd-rom * audio output