Avast Free Antivirus Lighter, more powerful – and absolutely free



The world’s most trusted antivirus

But just don’t take our word for it.

Ryan Rentfro

The UI for your software – amazing. Great work over the years. Can’t say enough good things!

Eric Scherer

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.

Daryl Colley

I’ve been using Avast for over a year and have found it one of the best free software protection devices on market.

System requirements

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

svg1 min read
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