One click brings you the power of Avast Free Antivirus, extinguishing advanced spyware and blocking malicious downloads before they can do harm. It’s really that easy to use.
Protect your PC from spyware, viruses, malware, ransomware, and other threats. All in real-time.
Clicking one button reveals vulnerabilities on your PC including unsafe settings, suspicious add-ons, and out-of-date software — and helps you fix them.
Our software’s advanced machine-learning capabilities adapt to the newest threats and stop them cold before they reach your computer.
Join the 400+ million other Avast users who are protected from spyware, viruses, and home Wi-Fi threats.
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?
Most recently we received the prestigious AV-Comparatives Product of the Year Award 2018 for our free antivirus and spyware protection — yes that’s right, our free antivirus beat out a host of other paid products.
Over the years our software has won too many awards to list here, but check out a few:
AV Comparatives: 2018 Product of the Year
AV Comparatives: 3 stars, Advanced+ in malware removal, 2018
AV Comparatives: In Top 3 for least false positives, September 2018
AV Comparatives: 3 stars, Advanced+ in malware protection, September 2018
AV-TEST: Top Product, AV Test Certified, December 2018
PC Mag: Editors’ Choice, February 2019
We think it’s okay to brag a bit when your personal digital security is at stake. To see more awards, take a stroll through our trophy room.
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.
That’s right, phones are also computers. Good thing we make a great product to protect your phone from spyware and malicious apps — Avast Mobile Security for Android. And it’s even armed with anti-theft protection!
Think your Mac might have caught something bad? We’ll find out and prevent it from happening again with Avast Security for Mac. It’ll remove spyware from your Mac, and a host of other nasties like viruses and ransomware, too.
Avast Free Antivirus finds and removes spyware, blocks future spyware infections, and guards against viruses, ransomware, and other threats. And it doesn’t cost you a dime.