avast! Internet Security provides complete antivirus, anti-spyware, antispam, and firewall protection, complemented by avast! SafeZone™ and new hybrid cloud technologies, for best protection against viruses, spyware, and other types of malware in 2012.

Download the newest Free version for Windows or Avast! mobile security for Android or avast! Free Antivirus for Mac.

How to get free Avast! Internet Security:

Step 1. Log in to your Avast Account by this link: http://my.avast.com

Step 2. Go to ‘Recommendations’ tab (by this link http://my.avast.com/en-gb/recommendation)

Step 3. Invite your Friends via: Facebook, Twitter, Google+, Email or Link

Step 4. Gain 7 friends to use avast! and get 1 Year Free of avast! Internet Security

14 Friends = 2 Years (1 PC)
21 Friends = 3 Years (1 PC)