- Security
- Privacy
- Performance
Scan for and remove malware and other threats. Avast offers free, real-time anti-malware protection against current and future infections. Our scanner and malware cleaner will help secure your devices with award-winning, malware-fighting software trusted by experts.
We’ve packed the world’s largest threat-detection network and machine-learning malware protection into a single, lightweight malware scan and removal tool. It can remove malware from your computer and help keep it off your device in the future. Get powerful anti-malware security that won’t slow down your PC — 100% free.
Scans for and removes existing malware, and is constantly updated to block new and emerging threats.
Isolates harmful files from the rest of your computer to keep your device free of malware and other threats.
Monitors apps and files for suspicious behavior that might indicate malware or other threats.
Alerts you if any of your apps start behaving suspiciously, which could result from a potentially unwanted program.
Blocks dangerous websites from loading while you browse online and unsafe attachments from downloading.
Helps detect and stop hackers from installing malware to access and lock your files.
Scans for and removes existing malware, and is constantly updated to block new and emerging threats.
Isolates harmful files from the rest of your computer to keep your device free of malware and other threats.
Monitors apps and files for suspicious behavior that might indicate malware or other threats.
Alerts you if any of your apps start behaving suspiciously, which could result from a potentially unwanted program.
Blocks dangerous websites from loading while you browse online and unsafe attachments from downloading.
Helps detect and stop hackers from installing malware to access and lock your files.
“Avast’s… core antivirus features are stronger than almost anyone else, and the app keeps you safer than most paid products.” - TechRadar
Avast Free Antivirus is powered by an industry-leading antivirus engine that's been winning awards for years. Security test labs and industry experts agree that Avast's cybersecurity protection is among the best in the world.
Our trophy case is full of awards from industry-respected sources, including:
You already know it’s loved by experts and users, so try our free malware scanner for yourself. It’s available for Windows, Mac, iOS, and Android.
Think your Mac is infected? Afraid you’ve got malware on your Android or iOS phone or tablet? Don’t panic. We’ve got you covered there, too.
But don’t just take our word for it.
Avast is fabulous! I have used you for probably 15 years and will never use other virus software!
Best service ever. I've never had better antivirus protection. I have been with them for many years, and I always refer them to anyone who asks.
Easy to use and effective. It's so easy to run the scans while I'm getting my coffee, and when I come back it's all done. Nice!
To begin scanning for malware, download and install our free malware removal tool. Then perform a quick scan to detect and remove malware from your device.
Avast’s virus detection engine stands out for its unmatched effectiveness and ease of use. It doesn’t just detect and eliminate malware — it proactively shields your device from threats before they strike. With over 7.5 billion attacks blocked in 2023 alone, you can trust Avast to deliver the protection you deserve.
Avast Free Antivirus helps remove hidden malware, defend against future threats, and protect against nasty malware like viruses, spyware, ransomware, and more. Get a powerful malware scanner and removal tool today — 100% free.
Use an antivirus tool to remove malware from your computer or phone.
Reset your Chrome browser to its default settings, make sure you have the best security extensions for Google Chrome, and remove any Chrome extensions you don’t want or don’t trust.
If your Chrome browser continues to act buggy, switch to a dedicated privacy browser like Avast Secure Browser, which features powerful built-in protection.
We’re not demanding. All you need is a PC with Windows 11, 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 and malware protection for PC with Avast Free Antivirus
Get free virus and malware protection for Mac with Avast Security
Get free virus and malware protection for Android with Avast Mobile Security
Avast
Mobile Security
Get free threat protection for your iPhone with Avast Mobile Security
Avast
Mobile Security
Get free virus and malware protection for PC with Avast Free Antivirus
Free downloadGet free virus and malware protection for Mac with Avast Security
Free downloadGet free virus and malware protection for Android with Avast Mobile Security
Free installGet free threat protection for your iPhone with Avast Mobile Security
Free install