Avast acquired rival free antivirus company AVG in 2016. Fans of both companies can rest easy; years and years later, there's still no plan to merge them into a single product.

Windows only: The newest version of the popular Avast Antivirus is finally available for download. It's lighter, faster, and more feature-filled than ever, bringing a new behavior shield ...

Note: Fans of the avast! free antivirus offering can now get the same protection in a streamlined for-pay suite. Check out our review of avast! Internet Security 5.0.

Another new feature in Avast Free Antivirus 7 is a cloud-based file reputation system called FileRep, which alerts users about suspicious browser downloads and integrates with Avast’s ...

Avast Free Antivirus 5 took the top spot in our late 2010 roundup of free antivirus software. It provides good, all-around malware detection in a speedy, well-designed package.

Avast Free Antivirus for Mac Beta is compatible with all Macs running Mac OS X v10.5 and later and is available as a free download (direct link) from the company’s website.

If avast!'s very good malware cleanup doesn't recognize a suspicious file, its built-in automatic sandboxing can keep that file from doing harm. It's one of several good choices for free antivirus ...

Free Antivirus 7 (free, direct) among them, perform very well indeed. In the previous update, avast! added automatic sandboxing, a feature previously found only in avast!'s commercial products.