Avast Free Antivirus
Essential protection that’s light, powerful, and completely free
Avast antivirus is the proud winner of the prestigious 2020 Top Rated product award
Avast Free Antivirus
2020 Top Rated product
Cloud-light, award-winning free virus protection
Packed with the largest threat-detection network, machine-learning virus protection and home network security that won’t slow down your PC.
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 and movie buffs.
Just a click of our fresh, new, easy-to-use interface checks everything from your passwords to your home network security.
Now uninterrupted
We’ve renamed Game Mode and taught it some new tricks. Now called Do Not Disturb Mode, it blocks distracting popups whether you’re gaming, watching movies, or presenting in fullscreen.
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
CyberCapture
Wi-Fi Inspector
Smart Scan
Layer upon layer of security
Avast Free Antivirus uses multiple layers of security to keep you safe from even the newest, never-before-seen threats.
The world’s most
trusted antivirus
But just don’t take our word for it.
FAQ
Our industry-leading antivirus engine is just one of the many reasons why Avast Free Antivirus consistently earns high praise and top awards from PCMag, AV-Comparatives, AV-Test, and other independent experts. We have the right antivirus protection for all your needs.
Looking for a performance boost? Speed up your PC and get rid of unnecessary files with Avast Cleanup Premium, or protect and optimize your PC all at the same time with Avast Ultimate.
Feeling up for a challenge? You can also try to remove viruses and malware the old fashioned way.
System requirements
Windows 10 compatible
Get security tips for your PC, straight from the experts
A computer virus is a type of malware that can spread quickly between computers and other devices. Learn how viruses work and how to protect against them.
Want to learn about malware? Read this ultimate guide to find out what malware is, how it works, how it spreads and what you should do to protect yourself.
Have you noticed your Windows PC behaving strangely? Find out how to detect and remove viruses and other malware in this complete guide.
A macro virus is a computer virus written in the same macro language used for software programs. Find out its characteristics and how to remove a macro virus.
Learn what Spigot is and how to remove Spigot adware from browsers, folders, and files on your Mac. Protect yourself from Spigot malware.
From Cyber Police to Article 161, Android devices have been hit by several major ransomware attacks. Learn how to remove ransomware from Android here.
Worried your information has landed on the dark web? Learn about dark web scanners and what you can do if your email is found on the dark web.
Is your computer slow or struggling to install the latest updates? Learn how to clear disk space and clean up hard drives on a Mac or Windows PC.
