Avast Free Antivirus 
Lighter, more powerful – and absolutely free
“Scores high... an excellent choice for free antivirus protection”
Cloud-light, award-winning free protection
Packed with the largest threat-detection network, machine-learning protection, easy password management and home network security that won’t slow down your PC.
Avast is recognized by the most important anti-malware institute.
5 Advanced+ awards and the lowest impact on PC Performance
Certified for 100% protection against 0-day threats.
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.
What’s inside the latest version?
A beautifully intuitive interface, advanced application protection, a new passive mode for running multiple security products in parallel — and a little something for you gamers out there.
Designed for effortless security NEW
Just a click of our fresh, new, easy-to-use interface checks everything from your passwords to your home network security.
Gaming?
Now uninterrupted NEW
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 NEW
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.
This is no run-of-the-mill free antivirus
On top of our latest features, we cover essential intelligent threat-detection and real-time protection with such a light touch on your PC, you never even know it’s there.
Intelligent antivirus
Detects all kinds of nasty threats, from viruses to malware. Yes, even spyware, ransomware, and phishing attacks.
CyberCapture
Personal, real-time threat detection. Sends unknown files to the Avast Threat Labs to be analyzed by our experts, and quarantines them if they’re dangerous.
Wi-Fi Inspector
Is your router set up properly to block threats? We’ll tell you. Otherwise, anyone can break into your home network and anything connected to it.
Smart Scan
A simple click has never been more powerful. Checks your PC and network for all kinds of issues - and tells you how to fix them instantly.
This is protection that goes above and beyond
Security doesn’t end on your PC. No other free antivirus crams in these extras to be sure you’re covered everywhere.
Avast Passwords
Too many passwords, none of which are safe? It’s fairly common. Remember just one, and Avast Passwords will take care of the rest, across all your devices, for free!
SafeZone Browser
The secureway to browse, bank, and shop. With a suite of tools designed to provide extra protection, you’ll discover why SafeZone is the "world’s most secure browser".
The world’s most trusted antivirus
But just don’t take our word for it.
