Free Avast Free Antivirus Alternatives for Windows

There are many alternatives to Avast Free Antivirus for Windows if you are looking for a replacement. The best free Windows alternative is Avira Antivirus. If that doesn't suit you, our users have ranked more than 100 alternatives to Avast Free Antivirus and loads of them are free and available for Windows so hopefully you can find a suitable replacement. Other interesting free Windows alternatives to Avast Free Antivirus are Malwarebytes Anti-Malware, Microsoft Defender, ClamAV and Bitdefender Antivirus.

filter to find the best alternatives

Avast Free Antivirus alternatives are mainly Anti-Virus Apps, but if you're looking for Anti-Malware Apps or Firewalls you can filter on that. Other popular filters include Android + Free, Windows + Free, Open Source, Free, Windows and Mac + Open Source. These are just examples - use the filter bar below to find more specific alternatives to Avast Free Antivirus.
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Alternatives list

  1. Avira Antivirus icon
     408 likes

    Offers real-time protection from malware, ransomware, viruses, and spyware, with advanced repair, browser safety, software updates, VPN, PC optimization tools, cloud-based updates, and system clean-up. Available for Windows, MacOS, Android, and iOS devices.

    79 Avira Antivirus alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
     
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    3
  2. Comprehensive protection software utilizing AI and machine learning to detect and neutralize threats. Features include RDP and Ransomware Protection. Efficiently uses minimal system resources with customizable settings for scan modes and performance adjustments.

    118 Malwarebytes Anti-Malware alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Kindle Fire
     
  3. Windows Security (known as Windows Defender Antivirus before Windows 10 May 2020 Update, Windows Defender before Windows 10 Creators Update, or Microsoft Defender Antivirus before Windows 11) is an anti-malware component of Microsoft Windows.

    112 Microsoft Defender alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application types

    Platforms

    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
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    4
  4. ClamAV icon
     251 likes

    Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways. It provides a number of utilities including a flexible and scalable multi-threaded daemon, a command line scanner and advanced tool for automatic...

    103 ClamAV alternatives

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
     
  5. Free antivirus offering comprehensive protection with real-time threat detection, AI-powered security, lightweight performance, Game mode, user-friendly interface, and auto updates. Supports multiple platforms and provides live customer support. Ideal for all users.

    66 Bitdefender Antivirus alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
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    3
  6. AVG AntiVirus icon
     286 likes

    AVG AntiVirus Free provides basic antivirus and antispyware protection for home users. Virus database updated every day. Includes innovative LinkScanner for web-protection.

    77 AVG AntiVirus alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • Chrome OS
     
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    1
  7. AdwCleaner icon
     183 likes

    Detects and removes adware, PUPs, toolbars, browser hijackers, and unwanted plugins with fast scanning and cleaning. Requires no installation and runs as a portable utility. Cleans files and registry traces, fixes altered browser settings, and can run from flash drives.

    54 AdwCleaner alternatives

    Cost / License

    • Free Personal
    • Proprietary

    Application types

    Platforms

    • Windows
     
  8. Tron Script icon
     34 likes

    Tron is a collection of programs, tools, utilities, and Windows functions that are all scripted together. Those programs and such are designed to remove malware and bloatware, repair damaged operating systems, update old versions of very common applications, free up drive space...

    170 Tron Script alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Windows
     
  9. Comodo Internet Security is a free, very voluminous and multi-layered security application that keeps hackers out and personal information in.

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Windows
     
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    1
  10. ClamWin icon
     122 likes

    ClamWin is a free, open-source antivirus software for Microsoft Windows, using the ClamAV engine. It has an easy-to-use installer and its source code is publicly available. It features high detection rates for viruses and spyware, a scanning scheduler, and automatic updates of...

    68 ClamWin alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Windows
    • PortableApps.com
     
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    1
  11. Panda Dome icon
     71 likes

    Panda Antivirus protects you while you work, play, or browse online.

    Antivirus Protection Real-time protection against all types of malware and spyware. Schedule periodic scans and/or scan your computer on demand.

    USB protection Protect your PC by preventing the automatic execu.

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
     
  12. Kaspersky Virus Removal Tool is a free software intended to disinfect infected computers, removing viruses, Trojans, and spyware, as well as any other types of malware. It can also remove advertising software and applications that may be used for malicious purposes.

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Windows
    • Linux
     
12 of 66 Avast Free Antivirus alternatives