You may install Bitdefender Antivirus for Mac only on Intel-based Macintosh computers with Mac OS X version 10.4.6 or later installed.
Your Mac must also meet all of these additional requirements:
Б≈▐ Minimum 1 GB of RAM Memory
Б≈▐ Minimum 100 MB available hard disk space
Б≈▐ Display colors: millions.
Б≈▐ Minimum normal (4:3) display resolution: 1024 x 768
Б≈▐ Minimum wide display resolution: 1024 x 640
An Internet connection is required to register and update Bitdefender Antivirus for Mac.
INFO : How to find out your Mac OS X version and hardware information about your Mac
Click the Apple icon in the upper-left corner of the screen and choose About This Mac. In the window that appears you can see the version of your operating system
and other useful information. Click More Info for detailed hardware information.