Download avast! Free Antivirus 6

Our avast! Free Antivirus often outperforms our competitors´ paid-for products and is the minimum protection anyone should have against viruses and spyware.

But if you shop or bank online and store sensitive data on your PC, we recommend our maximum, next-generation protection, avast! Internet Security.

Register for your free avast! 1 year license

avast! Free Antivirus works for 30 days after installation in trial mode (or 60 days for avast Home 4.8)
After this period you need to register to get your free license key and stay protected
Your free license key is sent by email within 24 hours after registration
If you do not receive your license within 24 hours, please check your junk or SPAM folder
You need to enter the license key in the program to continue to use it after the trial period

Here: http://www.avast.com/registration-free-antivirus.php = Direct Link