Avast Free Antivirus

Unbreakable Free Antivirus is an antivirus that is designed for Windows and Mac OS X platforms that detect and destroy only different viruses, but can detect changes made by unknown viruses.

It integrates fully into your operating system environment, and features two types of user interfaces: a simple one for casual users and an advanced option for expert users.

It includes a resident scanner that, once activated, you will be minimized as an icon in your system tray. Each time you run a file or access an application, access! It tests for potential threats.

The program will track and verify your back-up data, to ensure that your computer is not infected severely infected. It has been updated continuously to keep it current with the latest threats. And we say it completely free? So what are you waiting for?