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 * sp1 also continues to make it easier for it administrators to deploy & manage win vista * enjoy the elegant, visually compelling win aero desktop experience with flip 3d navigation * great for notebook pc's with enhanced win mobility center & tablet pc support * win meeting space allows users to collaborate &share documents w'lessly * synchronise svr, smartphones & other devices with a pc using sync center 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