Avast Antivirus for Windows

Download Avast Free Antivirus

Lighter, more powerful – and absolutely free! The world’s most trusted antivirus!

free antivirus

Click the button below to download Avast Free Antivirus
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Follow these 4 easy steps to complete your Avast installation.

1 Save the Avast file
Click “Save File” when prompted.

2. Unzip the downloaded file.
The file can be unzipped, for example, by using WinZip, 7-Zip programs or using online services.

3. Open the Avast file to install
Double-click the file in the list of downloaded files. If the list is not open, press Ctrl+J to show it.

4. Follow setup instructions

Click the button in the installer window to begin installation.

 

System requirements

We’re not demanding. All you need is a PC with Windows 10, 8.1, 8 or 7*, 1 GB RAM and 2 GB of hard disk space. And that’s it.

* Both the 32- and 64-bit versions, excluding Starter and RT editions.

Cloud-light, award-winning free virus protection

Packed with the largest threat-detection network, machine-learning virus protection, easy password management and home network security that won’t slow down your PC.

Easy to install, effortless to use

Avast Free Antivirus scans for security and performance issues and tells you how to fix things instantly.

It protects you in real-time by analyzing unknown files before they get to you. So relax: With Avast, you’re running the most trusted antivirus out there.

What’s inside the latest version?

A beautifully intuitive interface, advanced application protection, a new passive mode for running multiple security products in parallel — and a little something for you gamers and movie buffs.

Designed for effortless security

Just a click of our fresh, new, easy-to-use interface checks everything from your passwords to your home network security.

Game or movie time. Now uninterrupted

We’ve renamed Game Mode and taught it some new tricks. Now called Do Not Disturb Mode, it blocks distracting popups whether you’re gaming, watching movies, or presenting in fullscreen.

 

Introducing Behavior Shield

We don’t just check your applications for malware. We now keep an eye on their behavior to make sure they don’t suddenly go rogue.

This is no run-of-the-mill free antivirus

On top of our latest features, we cover essential intelligent threat-detection and real-time protection with such a light touch on your PC, you never even know it’s there.

  • Intelligent Antivirus
    Detect and block viruses, malware, spyware, ransomware and phishing. We use smart analytics to stop threats before they affect you.
  • CyberCapture
    Automatically send suspicious files for analysis in the cloud, and push a cure to all Avast users if it’s a threat.
  • Wi-Fi Inspector
    Automatically detect weaknesses in your home Wi-Fi and strangers piggybacking on your network.
  • Smart Scan
    Find all those cracks which allow malware to slip in, from unsafe settings and passwords to suspicious add-ons and out-of-date software.

 

Layer upon layer of security

Avast Free Antivirus uses multiple layers of security to keep you safe from even the newest, never-before-seen threats.

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

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