The best free antivirus — powered by you
Lightweight and intuitive protection powered by a community over 400 million strong.
This is next-gen cybersecurity
for all.
Two new shields. Double protection
Stop even the most determined hackers from getting their hands on what’s yours. Webcam Shield protects your built-in camera from hidden spies. And Ransomware Shield ensures your files cannot be encrypted without your permission, so you don’t get held to ransom.
Discover moreSimple on the outside, smart on the inside
Avast Free Antivirus raises the bar on security with real-time protection, intelligent threat-detection, and added security for your network, passwords, and browser. Easy to install and easy to use, no other free antivirus comes close.
PROTECT YOUR PC
Business security with teeth
Stay focused on your endgame and leave your endpoint security to us. On-premise or cloud-based, we scale to your business — whatever its size, network, or devices.
PROTECT YOUR BUSINESS
On the move?
We can keep up
Your phone is your bank, office, and arcade. Protect yourself with our leading mobile apps, so you can pay securely, email privately, and free up the space you need.
PROTECT YOUR MOBILENext-gen cybersecurity for all
In the face of increasingly complex threats, cybersecurity must be faster and more powerful than ever. Stopping cyberattacks in real-time is what we do.
LEARN MOREWe are 400 million. Be our “plus one”
Our 400 million users are the 400 million reasons why we lead the digital security pack. Each Avast-loaded device is a source of real-time intelligence about new and current threats. That’s how we stop over 100 million of them every day. By joining Avast, you help to make that network even stronger.
Snapshot of real threat data
Award-winning protection, whatever you choose
All our security products are fast, light, and pack powerful features to give you the best protection that’s easy to use and won’t slow down your PC.
Your protection,
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Free Antivirus Essential |
Pro Antivirus Expert |
Internet Security Advanced |
Premier Complete |
Ultimate Bundle |
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| FREE DOWNLOAD | Download | Download | Download | LEARN MORE | |
| Block viruses and other malware Detect viruses, ransomware, and other threats in real-time. | yes | yes | yes | yes | yes |
| Scan for Wi-Fi security weaknesses Expose intruders and security weaknesses in your network. | yes | yes | yes | yes | yes |
| Secure your passwords Lock your passwords in our vault and log in to sites with 1 click. | yes | yes | yes | yes | yes |
| Avoid fake sites for safer shopping Stop criminals from stealing your passwords and banking info. | yes | yes | yes | yes | |
| Safely run suspicious apps Sandbox any app to avoid affecting the rest of your PC. | yes | yes | yes | yes | |
| Block hackers with advanced firewall Stop hackers from sneaking onto your PC to steal your data. | yes | yes | yes | ||
| Block annoying spam and phishing emails* Stop annoying junk mail for a safer, cleaner inbox. | yes | yes | yes | ||
| NEWGet an extra layer of ransomware security Keep personal photos and files safe from unwanted changes. | yes | yes | yes | ||
| NEWStop webcam spying Prevent peeping Toms from watching you via your webcam. | yes | yes | |||
| Permanently shred sensitive files Securely delete files to ensure that no one recovers them. | yes | yes | |||
| Automatically update apps Reduce security risks by keeping your other apps up-to-date. | yes | yes | |||
| Includes Avast Cleanup Premium Remove hidden junk, free up disk space, and speed up your computer. | yes | ||||
| Includes Avast SecureLine VPN Encrypt your Internet connection for safer, anonymous browsing. | yes | ||||
| Includes Avast Passwords Premium Be warned of leaked accounts and log in to sites with your fingerprint. | yes | ||||
| * Anti-spam is available as a separate, free download. |
FREE DOWNLOAD
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Free 30-day trial Learn more |
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Free 30-day trial Learn more |
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We don’t do this for the acclaim
We do this because we understand the importance of what we're protecting.
But don’t just take our word for it.
The most downloaded software
The best-selling security software
Antivirus with the lowest impact on PC performance
