Strengthen your PC’s security with Avast Free Antivirus for Windows 11
Top Rated Product
Best Free Anti-Malware
Windows 11 virus protection that comes with extra features
In today’s digital world, sometimes you need more than antivirus to give you the protection you need — so we’ve included some advanced features alongside our award-winning free antivirus, so you’re covered from all angles.
You can rely on Avast to protect you
Here’s why Avast is one of the most trusted, reliable, and experienced cybersecurity experts in the world.
Easy to install, effortless to use
Avast Free Antivirus never sleeps
We’re proud to protect millions of Windows PCs. But don’t just take our word for it — see the graph below which shows that Avast has prevented 327,864,249 virus attacks on Windows 11 PCs over recent months.
Number of attacks prevented against Windows 11 PCs in recent months:
Here’s what our users say:
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