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The best free antivirus

Lightweight and intuitive protection powered by a community over 435 million strong. This is next-gen cybersecurity for all.

Available for Mac and Android
Available for Mac and Android

Awarded by independent experts

Your protection,
your way

Your protection, your way

Free Antivirus
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Premium Security
Learn more
Premium Security
Learn more
Learn more
Block viruses and other malware Detect viruses, ransomware, and other threats in real-time.
Scan for Wi-Fi security weaknesses Find intruders and security weaknesses in your network.
Secure your passwords Lock your passwords in our vault and log in to sites with one click.
Get an extra layer of ransomware security Protect personal photos and files from being encrypted by hackers.
Avoid fake sites for safer shopping Stop criminals from stealing your passwords and banking info.
Safely run suspicious apps Sandbox any app to test if it’s safe before running it on your computer.
Lock out hackers with an advanced firewall Keep hackers from sneaking onto your PC and stealing your data.
Block annoying spam and phishing emails* Stop annoying junk mail for a safer, cleaner inbox.
Stop webcam spying Prevent strangers from watching you via your webcam.
Permanently shred sensitive files Securely delete files to ensure that no one recovers them.
Automatically update apps Reduce security risks by keeping your other apps up-to-date.
Install on all your devices Advanced protection for up to 10 devices (PC, Mac, Android, and iOS)
Includes Avast Cleanup Premium Remove hidden junk, free up disk space, and speed up your computer.
Includes Avast SecureLine VPN Encrypt your internet connection for safe and private browsing.
* Anti-spam is available as a separate, free download.
Avast Free Antivirus

Download the best free antivirus

Fast, light and powerful free protection.
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