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Free Malware Scanner and Removal Tool

Find and remove malware and other threats. Avast Free Antivirus offers free, real-time anti-malware protection against current and future infections. Awarded “Product of the Year 2018” by AV-Comparatives.

People love Avast Free Antivirus

173 people rated us 4.7/5

Powerful, free anti-malware protection

We’ve packed the world’s largest threat-detection network and machine-learning malware protection into a single, lightweight malware scan and removal tool that won’t slow down your PC. And did we mention, it’s 100% free?

Avast Free Antivirus lets you:

We’ve packed the world’s largest threat-detection network and machine-learning malware protection into a single, lightweight malware scan and removal tool that won’t slow down your PC. And did we mention, it’s 100% free?

Like awards? So do we.
And we’ve got lots of ‘em

AV-Comparatives, one of the antivirus industry’s most prestigious testing labs, awarded Avast Free Antivirus “Product of the Year 2018”. That’s pretty much like winning the gold in the antivirus olympics — something we’re really proud of.

Academy-Awards_2020

And that’s not all. Our trophy room is packed with awards from industry-respected sources, including:

  • award-av-comparative-plkaceholder

    AV Comparatives: 2018 Product of the Year

  • award-av-comparative-plkaceholder

    AV Comparatives: 3 stars, Advanced+ in malware removal, 2018

  • award-av-comparative-plkaceholder

    AV Comparatives: In Top 3 for least false positives, September 2018

  • award-av-comparative-plkaceholder

    AV Comparatives: 3 stars, Advanced+ in malware protection, September 2018

  • AV_test-logo2

    AV-TEST: Top Product, AV Test Certified, December 2018

  • PC-mag_logo2

    PC Mag: Editors’ Choice, February 2019

The world’s most trusted anti-malware

But just don’t take our word for it.

Zap Malware from your Mac or mobile, too

Think your Mac is infected? Afraid you’ve downloaded malware to your Android phone or tablet? Don’t panic. We’ve got you covered there, too.

Get our free Avast Security for Mac to scan for and remove malware and other threats from your Mac. Our real-time protection stops all kinds of malware — from viruses to ransomware — and even warns you of intruders on your Wi-Fi network.

Looking for free anti-malware for mobile? Just grab Avast Mobile Security for Android. It’s the leading anti-malware app on Google Play, with over 100,000,000 installs. It’s also loaded with other security features like Anti-Theft, Photo Vault, Web Shield, and more.

Download our free malware cleaner

Avast Free Antivirus removes hidden malware, blocks future malware, and protects against nasty viruses, spyware, ransomware, and more. 100% free.

System requirements

We’re not demanding. All you need is a PC with Windows 10, 8.1, 8 or 7*, 1 GB RAM 
and 2 GB of hard disk space. And that’s it.

* Both the 32- and 64-bit versions, excluding Starter and RT editions.

Windows 10 compatible

Get free virus protection for PC with Avast Free Antivirus

FREE DOWNLOAD

Get free malware protection for Mac with Avast Security

FREE DOWNLOAD

Get free threat protection for your iPhone with Avast Mobile Security

FREE INSTALL

Get free virus protection for Android with Avast Mobile Security

FREE INSTALL