Best Free Antivirus Software

The Top Ten

  1. Avast Free Antivirus

    Avast Free Antivirus is easy to use, reliable, and secures the protection of your computer. And it's FREE!

    I use Avast. From my experience, I know it's really fast and reliable. Very good antivirus. And it's very easy to use.

    Very good. I just don't like the pop-ups from it that I get sometimes, but otherwise, it's really good.

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  2. AVG AntiVirus Free

    Best among all free antivirus software.

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  3. Panda Free Antivirus

    I have been using the same free Panda antivirus for the last three years. Don't ask me how, but I must confess it's the antivirus I trust the most. It caught a "Recycler virus" when no other antivirus could.

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  4. Bitdefender Free Edition

  5. Microsoft Defender

    Windows 8, 10, 8.1, and 7 operating systems feature Windows Defender as the official antivirus.

  6. Avira Free Security

    Avira doesn't demand as much of your system as Avast does, and both provide poor protection for your PC, as do all free security software.

    Avira is the best security for your computer, second only to military security.

    The only bad thing about Avira is that it's slow. Other than that, it's a great antivirus.

  7. Smadav Free Antivirus

    It's a portable antivirus. It's not powerful but is so easy to use.

  8. NANO Antivirus Sky Scan

    Scan your files with the cloud scan service of NANO Antivirus. Moreover, if the desktop version of NANO Antivirus is installed on your device, you can use NANO Antivirus Sky Scan as a functional tool. It's specially designed for Windows 8 and makes control of your antiviral protection extremely easy.

    The Windows Store application for Windows 8, 8.1, and 10 provides easy-to-use access to NANO Antivirus' cloud scan service. If the desktop version of NANO Antivirus is installed on the target device, NANO Antivirus Sky Scan can also be used as a native metro-style shell for the desktop solution.

  9. Comodo Free Firewall

    It's the best, and I am an expert and have tried a lot. Comodo has shown me over the years that it can not only protect but also lets you take control over the options and your PC. Unlike other security software, which thinks it knows what's best for you.

    It's pretty much the best free antivirus. It acts fast on virus threats and viruses.

  10. 360 Total Security

    11. The Newcomers
  11. ?

    Comodo Antivirus

  12. ?

    ClamAV

    13. The Contenders

  13. Malwarebytes Free

    Malwarebytes Inc. is an American Internet security company with offices in Santa Clara, California. Clearwater, Florida. Tallinn, Estonia. Bastia Umbra, Italy. And Cork, Ireland. The company specializes in protecting home computers, smartphones, and businesses from malware and other cyberthreats.... read more

    Works well. I pair it with Avast. They're a good pair.

  14. ClamWin Free Antivirus

  15. PC Media Anti-Virus No evidence of current free antivirus product

  16. Kaspersky Free

  17. ByteFence Free Scanner

    ByteFence is a wonderful complement to traditional antivirus programs. The tool is available in two versions:

    - The free version has all you need to stay safe on the web, with a nice summary dashboard and manual scans.

    - The paid version includes features like automatic and scheduled scans, as well as real-time protection.

    All in all, it's a great solution at an affordable price.

  18. Comodo Internet Security

  19. Sophos Home Free

  20. IObit Malware Fighter Free

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