Editions Profil BitDefender Antivirus pour Mac & PC. Software type: Box, License quantity: 2 user(s), Number of years: 2 year(s). Minimum hard disk space: 100 MB, Minimum RAM: 1024 MB. Compatible operating systems: Windows XP, Vista, 7, Mac OS X Tiger 10.4.6+, Mac OS X Leopard 10.5+, Mac OS X Snow Leopard 10.6+