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Avast Free Antivirus

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

Get it for Mac, Android or iOS
2021 Editors'
Choice
2020 Top Rated
product
2021 Top Rated
product
2020 Best Free
Anti-Malware
award-winning Antivirus
Catch even new & emerging threats
435+ million users worldwide
we have 30+ years of experience
Avast Free Antivirus

Get free antivirus that comes with advanced privacy and security tools

Avast Free Antivirus is more than just an antivirus — it also includes these specialist tools:

6 layers of security
Effortlessly run smart scans on software, files, and apps to find vulnerabilities, plus analyze suspicious files in the cloud, get threat alerts, and more.
Easy to install and use
It only takes a moment to install Avast Free Antivirus and once it’s done, it’ll run quietly in the background, protecting you against viruses and other malware in real time, 24/7
Wi-Fi network security
Connect safely to any Wi-Fi network, even unsecured public networks, plus see who’s using your home Wi-Fi and block any intruders with a click.
Protection against ransomware attacks
Protect your information. Don't let your personal photos, files, and documents fall victim to hackers using ransomware.
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435+ million users
30-day money-back guarantee
Available for all operating systems: PC, Mac, Android, and iPhone/iPad
Free Antivirus
Premium Security
Ultimate
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.
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.
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.
Includes Avast AntiTrack Disguise your digital fingerprint to avoid personalized ads.
 

Free Antivirus

Premium Security

Ultimate

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.

How to install

Get protected right away by following these 3 easy steps:
Step 1
1. Download
Download the file from this page.
Step 2
2. Open the file
Open the downloaded file and approve the installation.
Step 3
3. Install the file
Run the installer and follow the simple instructions.

System requirements

All devices require an internet connection for automatic security and program updates.
PC with Windows 11, 10, 8.1, 8 or 7 (both the 32 and 64-bit versions, excluding Starter and RT editions), 1 GB RAM and 2 GB of hard disk space.
Mac running macOS 10.12 (Sierra) or later.
Android phone or tablet running operating system Google Android 6.0 (Marshmallow, API 23) or higher.
iPhone or iPad running iOS 12.0 or higher.
Avast Free Antivirus

Fast, light and powerful free protection.
It’s just a click away.

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Click this file to start installing Avast.
Click this file to start installing Avast