Symantec AntiVirus for Mac (SAM) 3.5 is the highest-rated and best-selling Macintosh virus protection program in the world because it is the most comprehensive virus protection and is incredibly easy to use. If your Macintosh currently has a virus, SAM will detect, repair, and remove the problem in a matter of seconds. If your Macintosh is virus-free, SAM will make sure it stays that way, with virus protection so advanced it can even detect a virus in a compressed file. Features include automatic scans at prescheduled times, automatic, transparent background monitoring, and is now easily distributed over networks. Part Number 06-00-00357.