avast! Home Edition is a free and complete ICSA certified antivirus software for non-commercial home use.
avast! continues to achieve Virus Bulletin VB100% awards, with an uninterrupted record of wins for over two years, which not all competitors can claim.

All-inclusive and comprehensive protection FREE avast! antivirus Home Edition includes ANTI-SPYWARE protection, certified by the West Coast Labs Checkmark process, and ANTI-ROOTKIT detection based on the best-in class GMER technology. No additional purchase is required.

Simple to use and automated Daily automatic updates ensure continuous data protection against all types of malware and spyware. Simply install and forget. We've made avast! as simple to use as possible.

Tried and Trusted With over 60 million users of avast!, you can rest assured that you are using one of the most tried and trusted products in Windows security. We support more Windows versions (from Windows 95 to Vista 64bit) than any other anti-malware product. No matter what system you have, avast! has it covered.