Lightweight, state-of-the-art protection that won’t slow down your PC. Avast Free Antivirus has been redesigned to be easier to use while staying light on your PC. It offers proprietary, cutting-edge CyberCapture technology that finds and stops unknown files, as well as improved Wi-Fi Inspector which can identify even more weak points in your router. It also features SafeZone, the world’s most secure browser®, and an enhanced Game Mode which turns off background checks and updates to maximize your gaming experience.