Avast Free Antivirus
Lighter, more powerful – and absolutely free
Also available for Mac and Android too.
“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.
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.
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.
Detect and block viruses, malware, spyware, ransomware and phishing. We use smart analytics to stop threats before they affect you.
Automatically send suspicious files for analysis in the cloud, and push a cure to all Avast users if it’s a threat.
Automatically detect weaknesses in your home Wi-Fi and strangers piggybacking on your network.
Find all those cracks which allow malware to slip in, from unsafe settings and passwords to suspicious add-ons and out-of-date software.
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.
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!
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.
The UI for your software – amazing. Great work over the years. Can’t say enough good things!
Thank you, Avast, for the excellent work you do. I run your antivirus software on both my Mac OS X and my Windows machines. You have the best products on the market, period.
I’ve been using Avast for over a year and have found it one of the best free software protection devices on market.
We’re not demanding. All you need is a PC with Windows 10, 8.1, 8, 7, Vista, or XP SP3* – which we see you have , 256 MB+ RAM and 1.5 GB of hard disk space. And that’s it.
* Both the 32- and 64-bit versions, excluding Starter and RT editions.
Windows 10 compatible
Avast Free Antivirus
Fast, light and powerful free protection.
It’s just a click away
Avast recommends using
the FREE Chrome internet browser.