More than 140 million people have helped make us the best
avast! Free Antivirus often outperforms our competitors´ paid-for products in independent tests, leading in both security features and scanning speed. In fact, AV-Comparatives.org rated avast! 5.0 the fastest out of 20 antivirus programs!
Having antivirus protection is critical and, fortunately, easier than ever. Download now and in just a few minutes you’ll be enjoying the peace of mind that comes from having the best and fastest online protection available.
Avast Free allows you to:
Scan for Antivirus and anti-spyware with the engine
Innovative scanning engine protects against viruses, spyware, and other malicious agents. b
Real-time anti-rootkit protection
Prevents stealth malware (‘rootkits’) that, when loaded by the computer’s OS, are invisible to ordinary scanners.
Scans your computer for infections before the OS can start to activate any viruses beneath it (now applies to Windows 7 and Windows Vista).
File System Shield
Real-time scanning of opened/executed files.