operating sys : ms win vista business sp1 media : dvd language : international english product features:- * win vista service pack 1 (sp1) is an update to win vista along with improvements delivered to users * sp1 contains changes focused on addressing specific reliability & performance issues * supports new types of hw adding support for several emerging standards * makes it easier for it administrators to deploy & manage win vista * quickly find anything reqd with win aero, win flip 3d navigation, instant search & win photo gallery * take the entertainment experience with fast access to music & dvd movie playback without waiting for the pc to boot with win hotstart * protect personal data, programs &settings against loss with complete pc backup & restore * rely on win bitlocker drive encryption to better protect data min sys reqs:- cpu: 1 ghz 32-bit (x86) or 64-bit (x64) proc mem: 1 gb gpu: win aero capable (128mb graphics mem) hdd: 40 gb (15 gb free space) dvd-rom drive audio output capability ; internet access capability