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Download Free Antivirus Software

Get award-winning free antivirus that offers powerful protection against viruses and other malware, secures your Wi-Fi network, and strengthens your privacy.

Download free Also available for Mac, Android, and iOS
Download free Also available for PC, Android, and iOS
Download free Also available for PC, Mac and iOS
Download free Also available for PC, Mac and iOS
Download free Also available for PC, Mac, and Android
Download free Also available for Mac, Android, and iOS
Download free Also available for PC, Android, and iOS
Download free Also available for PC, Mac and iOS
Download free Also available for PC, Mac and iOS
Download free Also available for PC, Mac, and Android
2021 Editors' choice
2021 AV-comparatives
6 layers of security
Safeguard your home network
Stop ransomware threats
Block distractions & interruptions

Intelligent virus protection for any device

Simple to install, easy to use

Avast Free Antivirus lets you:
Check your device for vulnerabilities
Stay safe when browsing or working online
Get an alert if your online accounts get hacked
Keep your personal files and photos safe from ransomware
Connect to the internet with confidence
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 iOS Also available for PC, Mac, and Android

Looking for Avast One instead?

Avast One gives you our award-winning antivirus, plus some of our best privacy and clean-up tools, together in one handy download.

This is no ordinary antivirus software

Powered by the industry's largest threat-detection network, machine-learning virus protection, and home network
security that won’t slow down your PC.

Stop viruses with intelligent antivirus

Stop viruses with intelligent antivirus

Detect and block viruses and other malware like spyware, ransomware, and phishing threats.

Stop ransomware threats

Stop ransomware threats

Prevent ransomware attacks and ensure your personal files, photos, and documents can’t be held hostage by hackers.

Block distractions & interruptions

Block distractions & interruptions

Block pop-ups and other interruptions when gaming, watching movies, or presenting in fullscreen.

Protect your home Wi-Fi network

Protect your home Wi-Fi network

Scan your home network for threats, see who’s using it, and connect safely every single time.

How we’ve supercharged our free antivirus

Cloud-light, award-winning free virus protection

Over 435 million users trust us with their digital lives

FAQ

How to install

Get protected right away by following these 3 easy steps:

Step 1
Download
Download the file by clicking here here here here.
Step 2
Open the file
Open the downloaded file and approve the installation.
Step 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-bit 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

Download award-winning free antivirus

Download free Also available for Mac, Android, and iOS
Download free Also available for PC, Android, and iOS
Download free Also available for PC, Mac and iOS
Download free Also available for PC, Mac and iOS
Download free Also available for PC, Mac, and Android
Download free Also available for Mac, Android, and iOS
Download free Also available for PC, Android, and iOS
Download free Also available for PC, Mac and iOS
Download free Also available for PC, Mac and iOS
Download free Also available for PC, Mac, and Android

Get security tips for your PC, straight from the experts

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You’re one step away from unrivalled protection

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Double-click the install file & follow the simple instructions

Need help? Call us at 855-745-3255
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Follow these steps to complete your Avast installation:

Initiating download...
Note: If your download did not start automatically, please click here.
1
Run the Avast installer
Run the Avast installer
Run the Avast installer
Run the Avast installer
Run the Avast installer
Save the Avast file
Save the Avast file
Save the Avast file
Save the Avast file
Save the Avast file
Open the Avast file to install
Open the Avast file to install
Open the Avast file to install
Open the Avast file to install
Open the Avast file to install
Run the Avast installer
Run the Avast installer
Run the Avast installer
Run the Avast installer
Run the Avast installer
Click the downloaded file on the bottom-left corner of your browser.
Click the downloaded file on the bottom-left corner of your browser.
Click the downloaded file on the bottom-left corner of your browser.
Click the downloaded file on the bottom-left corner of your browser.
Click the downloaded file on the bottom-left corner of your browser.
Click Save File when prompted. Go to Downloads on the top-right corner to open the setup file.
Choose Save File when prompted, then click OK.
Click Save File when prompted. Go to Downloads on the top-right corner to open the setup file.
Click Save File when prompted. Go to Downloads on the top-right corner to open the setup file.
Choose Save File when prompted, then click OK.
Go to Downloads on the top-right corner and click on the downloaded file.
Go to Downloads on the top-right corner and click on the downloaded file.
Go to Downloads on the top-right corner and click on the downloaded file.
Go to Downloads on the top-right corner and click on the downloaded file.
Go to Downloads on the top-right corner and click on the downloaded file.
Go to your Downloads folder and click on the downloaded file.
Go to your Downloads folder and double-click on the downloaded file.
Go to your Downloads folder and click on the downloaded file.
Go to your Downloads folder and click on the downloaded file.
Go to your Downloads folder and double-click on the downloaded file.
2
Confirm the installation
Confirm the installation
Confirm the installation
Confirm the installation
Confirm the installation
Confirm the installation
Open the Avast file to install
Confirm the installation
Confirm the installation
Open the Avast file to install
Confirm the installation
Confirm the installation
Confirm the installation
Confirm the installation
Confirm the installation
Confirm the installation
Confirm the installation
Confirm the installation
Confirm the installation
Confirm the installation
Click Yes on the system dialog window to approve the start of your Avast installation.
Click Allow on the system dialog window to approve the start of your Avast installation.
Click Yes on the system dialog window to approve the start of your Avast installation.
Click Yes on the system dialog window to approve the start of your Avast installation.
Click Allow on the system dialog window to approve the start of your Avast installation.
Click Yes on the system dialog window to approve the start of your Avast installation.
Go to Downloads on the top-right corner to open the setup file and approve the installation.
Click Yes on the system dialog window to approve the start of your Avast installation.
Click Yes on the system dialog window to approve the start of your Avast installation.
Go to Downloads on the top-right corner to open the setup file and approve the installation.
Click Yes on the system dialog window to approve the start of your Avast installation.
Click Allow on the system dialog window to approve the start of your Avast installation.
Click Yes on the system dialog window to approve the start of your Avast installation.
Click Yes on the system dialog window to approve the start of your Avast installation.
Click Allow on the system dialog window to approve the start of your Avast installation.
Click Yes on the system dialog window to approve the start of your Avast installation.
Click Allow on the system dialog window to approve the start of your Avast installation.
Click Yes on the system dialog window to approve the start of your Avast installation.
Click Yes on the system dialog window to approve the start of your Avast installation.
Click Allow on the system dialog window to approve the start of your Avast installation.
3
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Follow setup instructions
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Click the button in the installer window to begin installation.
Need Help? Please call 855-745-3255
Click this file to start installing Avast.
Click this file to start installing Avast
Close

You’re one step away from unrivalled protection

Initiating download...
If your download didn’t start, click here

Double-click the install file & follow the simple instructions

Need help? Call us at 855-745-3255