Avast Free Antivirus 6 (aka Avast Free Antivirus 2011) is one of the best free antivirus on the market, and in addition,as a personal experience, I can say that this is my favorite antivirus, like the other tens of millions of people worldwide.
Avast! Free Antivirus 6 - What's new:
- it supports Google Chrome, all versions of Firefox and Acrobat Reader;- was implemented a new antispam engine;
- was added new features were the shield (web script).
Avast! Free Antivirus - key features
- Core and detection.- Real time anti-rootkit protection.
- Avast! Community IQ.
- Code emulator.
- Heuristics engine.
- Potentially unwanted programs detection.
- Boot-time scanner.
- Command-line scanner.
- Wake-up for scan.
- Scheduled scanning.
- Avast! Intelligent Scanner.
- Behavior Shield, behavioral Honeypots, file System Shield, mail Shield, web Shield, P2P Shield, IM Shield and Network Shield.
- Smart virus definition updates and fast application of updates.
- Gaming mode.
- Optimized forIntel Core i7.
- CPU optimization (ie multi-threaded scanning).
- Green computing, etc.
Minimum System Requirements:
OS: Windows 2000 Professional Service Pack 4, Windows XP Service Pack 2 (32-bit and 64-bit), Windows Vista (32-bit and 64-bit), Windows 7 (32-bit and 64-bit);Processor: Pentium 3;
RAM: 128 MB;
HDD: 200 MB of free space.

