Easy to install, effortless to use
Avast Free Antivirus scans for security and performance issues and tells you how to fix things instantly. It protects you in real-time by analyzing unknown files before they get to you. So relax: With Avast, you’re running the most trusted antivirus out there.
Designed for effortless security
Just a click of our fresh, new, easy-to-use interface checks everything from your passwords to your home network security.
Gaming? Now uninterrupted
Our new automatic Game Mode puts all Windows and Avast notifications on hold so you’ve got maximum processing power and speed for your game.
Introducing Behavior Shield
We don’t just check your applications for malware. We now keep an eye on their behavior to make sure they don’t suddenly go rogue.
Detect and block viruses, malware, spyware, ransomware and phishing. We use smart analytics to stop threats before they affect you.
Find all those cracks which allow malware to slip in, from unsafe settings and passwords to suspicious add-ons and out-of-date software.
Avast Free Antivirus uses multiple layers of security to keep you safe from even the newest, never-before-seen threats.