The best free antivirus just got better
Free security has never been so lightweight, intuitive, and powerful.
This is next-gen cybersecurity for all.
What’s new?
We've raised the bar on security again, with more intelligent features that makes threat-detection faster and more automation for advanced users - all within a seamless, intuitive interface.
Deeper malware protection
We do more than scan for bad files. We study app behavior in real-time to stop threats.
Uninterrupted gameplay
Our Automatic Game Mode postpones all Windows notifications until you're ready for them.
Fewer clicks
The new Avast is quicker to set up and even more intuitive and easy to use.
Business security with teeth
Stay focused on your endgame and leave your endpoint security to us. On-premise or cloud-based, we scale to your business — whatever its size, network or devices.
PROTECT YOUR BUSINESS
On the move?
We can keep up
Your phone is your bank, office and arcade. Protect yourself with our leading mobile apps, so you can pay securely, email privately, and free up the space you need.
PROTECT YOUR MOBILENext-gen cybersecurity for all
In the face of increasingly complex threats, cybersecurity must be faster and more powerful than ever. Stopping cyberattacks in real time is what we do.
LEARN MOREBetter protection — thanks to you
We stop every single unknown file and analyze it for malicious activity before it gets to you. Each of the 400 million devices running Avast acts as a sensor that feeds our threat-detection engines to create fixes in real-time. With their help, we stop over 76 million attacks every day.
When you join Avast, you're growing that network and making the internet a safer place.
Snapshot of real threat data
Award winning protection, whatever you choose
All our security products are fast, light and pack powerful features to give you the best protection that's easy to use and won't slow down your PC.
Your protection,
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Free Antivirus Essential |
Pro Antivirus Expert |
Internet Security Advanced |
Premier Complete |
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| FREE DOWNLOAD | Download | Download | Download | |
| Stop anything nasty Detect viruses, malware and more, even on your home network. | yes | yes | yes | yes |
| Capture emerging threats Real-time analysis of unknown files, so viruses can’t take you by surprise. | yes | yes | yes | yes |
| NEW Level up your gamingPlay with maximum power and no interruptions. | yes | yes | yes | yes |
| Forget your passwords Except one. Log in anywhere with your master password; we’ll remember the rest. | yes | yes | yes | yes |
| Spot fakes Make sure the banking site you’re visiting is the one you think it is. | yes | yes | yes | |
| Shop till you drop Not till someone steals your details. | yes | yes | yes | |
| Turn your network into a fortress Stop unwanted visitors from invading your privacy. | yes | yes | ||
| Say “no thanks” to spam* Keep your inbox clean, lean and organized. | yes | yes | ||
| Beat hackers – automatically Update your software without thinking about it. | yes | |||
| Shred before you sell Or lend, or repair. Ensure no one recovers the files you thought were gone. | yes | |||
| * Anti-spam is available as a separate, free download. |
FREE DOWNLOAD
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Free 30-day trial Learn more |
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Free 30-day trial Learn more |
We don’t do this for the acclaim
We do this because we understand the importance of what we're protecting.
But don’t just take our word for it.
The most downloaded software
The best-selling security software
Antivirus with the lowest impact on PC performance
