With discreet firewall and IDS/IPS security assurance and automatic external drive scanning, the Quick Heal Antivirus 2013 edition is ideally suited for small businesses. It provides 10 user licenses. Highlights Version - Quick Heal Antivirus 2013 System Requirements - Windows 2000 Professional (SP4), Windows XP (SP2), Windows Vista, Windows 7 Hardware Requirements 1GHz Pentium Processor, 850MB Hard Disk Space, 1GB RAM, CD/DVD-ROM Drive, IE6 or higher No. of Users - 10 If you are managing a small or medium scale business that relies heavily on internet access, then get the Quick Heal Antivirus 2012 edition software that provides 10 user licenses. This antivirus software provides silent and safe firewall and IDS/IPS assurance. It also provides an automatic scan feature that scans all your external storage devices for any signs of infection. It also protects your important pen drives from autorun infections. Along with anti-spyware and anti-malware protection, the Quick Heal Antivirus also provides intrusion detection and prevention features.