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Download Free Antivirus
Award-winning virus protection

Get free antivirus software that offers world-class protection against viruses and other malware, secures your Wi-Fi network, and strengthens your privacy. Over 400 million users worldwide trust Avast to protect them.
Also available for Mac, Android, and iOS
Also available for PC, Android, and iOS
Also available for PC, Mac, and iOS
Also available for PC, Mac, and Android
2022 Best Protection
2022 Top Rated
Safe browsing and emailing
Home Wi-Fi network security
Easy to install, effortless to use
30+ years of cybersecurity experience
Avast Free Antivirus
World-class virus protection for any device
30+ years of experience helped us create an easy-to-use antivirus software that features the industry’s largest threat-detection network, machine-learning virus protection, and home network security that won’t slow down your PC, Mac, Android, or iPhone.
Looking for Avast One instead?
Avast One gives you our award-winning antivirus software, plus some of our best privacy and clean-up tools, together in one handy download.

6 layers of antivirus security

Sometimes your operating system’s built-in protection isn’t enough. Adding Avast’s free antivirus software lets you run automatic smart scans on software, files, and apps to find cracks where malware can slip in, plus send suspicious files for analysis in the cloud, get threat alerts, and more.
Smart Scan
Scans your device for hard-to-find vulnerabilities in hidden places.
CyberCapture
Automatically sends suspicious files for analysis in the Cloud, then pushes a cure to Avast users if needed.
Behavior Shield
Alerts you immediately if any of your apps start behaving suspiciously.
File Shield
Alerts you to any suspicious files — before you open them.
Rescue Disk
Scans your device while your system’s switched off, so you can safely remove malware.
Quarantine
Stores potentially harmful files and completely isolates them from the rest of your operating system.

Avast Free Antivirus offers you even more

Avast Free Antivirus is more than just an antivirus software. It also includes these privacy and security features:
Connect safely and with confidence, even on unsecured or public Wi-Fi networks. Block hackers and intruders from piggybacking on your network and stop them from accessing your sensitive, personal files.
Network Inspector
Connect safely and with confidence, even on unsecured or public Wi-Fi networks. Block hackers and intruders from piggybacking on your network and stop them from accessing your sensitive, personal files.
Firewall
Our intelligent firewall monitors all network traffic between your PC and the outside world and blocks malicious intrusions.
Stay safe when browsing, emailing, or working online. Block malicious websites & unsafe downloads, and stop your device from being hijacked and made part of a botnet.
Botnet Shield
Connect safely and with confidence, even on unsecured or public Wi-Fi networks. Block hackers and intruders from piggybacking on your network and stop them from accessing your sensitive, personal files.
Web Shield
Our intelligent firewall monitors all network traffic between your PC and the outside world and blocks malicious intrusions.
Mail Shield
Mail Shield alerts you to potentially malicious email attachment before you click on them.
Stop hackers from accessing, changing, or locking your personal files then holding you to ransom.
Ransomware Shield
Connect safely and with confidence, even on unsecured or public Wi-Fi networks. Block hackers and intruders from piggybacking on your network and stop them from accessing your sensitive, personal files.
Get an alert if any passwords linked to your email account have been compromised.
Hack Alerts
Connect safely and with confidence, even on unsecured or public Wi-Fi networks. Block hackers and intruders from piggybacking on your network and stop them from accessing your sensitive, personal files.

Over 400 million users trust us with their digital lives

“The well-known security specialist Avast received a total of three awards for its outstanding performance...shows how reliably and securely the security software renders its service...”
Awarded Top‑Rated Product 2022 by AV‑Comparatives
Avast Free Antivirus
Easy to install, effortless to use
Avast’s antivirus scans for security and performance issues and helps you to fix them instantly. It also protects you in real time by analyzing unknown files long before they reach your device. And it’s free — so give it a try.
Also available for Mac, Android, and iOS
Also available for PC, Android, and iOS
Also available for PC, Mac, and iOS
Also available for PC, Mac, and Android

You may still be wondering...

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Complete installation by clicking your downloaded file and following the instructions.
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Note: If your download did not start automatically, please click here.
Need Help? Please call 44-800-048-8941
Click this file to start installing Avast.
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Installation of the antivirus is almost complete!
Complete installation by clicking your downloaded file and following the instructions.
Initiating download...
Note: If your download did not start automatically, please click here.
Need Help? Please call 44-800-048-8941
Click this file to start installing Avast.