572164-bit MS Windows Vista Home Premium 1-Pack OEM DVD SP1https://www.pccasegear.com/products/5721/64-bit-ms-windows-vista-home-premium-1-pack-oem-dvd-sp1https://files.pccasegear.com/images/dcimages/images/66i-00715s.jpgOutOfStock159AUDWindows Vista Home Premium 64-bit. SP1, OEM version, retail box, manual, etc not included.
** To be eligible to purchase OEM software you must be a registered Microsoft System Builder. To register go to http://www.microsoft.com/oem.