- Security
- Privacy
- Performance
Put an end to adware. Avast Free Antivirus scans and removes adware currently on your device, and stops future adware, viruses, and other types of threats. Best of all, it's 100% free and easy to use.
Powerful adware scanner
Shop and bank securely
Trusted by over 400 million users
Award-winning protection
Avast Free Antivirus finds and deletes adware and viruses faster and more thoroughly than almost any other adware scanner and cleaner available. Install the world’s largest threat-detection network and machine-learning malware protection in a single, lightweight adware scan and removal tool — 100% free.
Adware is just one kind of threat. Avast can scan for and help remove all kinds of malicious software.
Scans files and programs to identify and alert you of adware before an infection hits.
Alerts you immediately if unusual app behavior is detected that may indicate adware or another threat.
Get immediate alerts if unusual app behavior is detected that may indicate a threat.
We constantly update our software to protect against new and emerging adware threats.
Alerts you immediately if unusual app behavior is detected that may indicate a threat.
Adware is just one kind of threat. Avast can scan for and help remove all kinds of malicious software.
Scans files and programs to identify and alert you of adware before an infection hits.
Alerts you immediately if unusual app behavior is detected that may indicate adware or another threat.
Get immediate alerts if unusual app behavior is detected that may indicate a threat.
We constantly update our software to protect against new and emerging adware threats.
Alerts you immediately if unusual app behavior is detected that may indicate a threat.
Avast Free Antivirus is constantly recognized for its ironclad security features and antivirus detection engine. Avast has been bringing home awards from industry experts for years, including:
But don’t just 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.
Adware doesn’t care what device you use — it will bombard you with ads on all of them.
That’s why everywhere adware goes, Avast is there to block it.
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
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