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Freeantivirus

Free antivirus

your first step to online freedom

We believe everyone has the right to be safe online, which is why we offer our award-winning free antivirus to millions of people around the world.

4.5
FREE DOWNLOAD
FREE DOWNLOAD
FREE DOWNLOAD
FREE DOWNLOAD
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Also available for Mac, Android, and iOS. Also available for PC, Android, and iOS. Also available for Mac, Android, and PC. Also available for PC, Mac, and iOS.
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Avast One premium packages offer you more tools to optimize your digital life, such as unlimited VPN and password protection. Even better, they allow you to protect multiple devices for you and your household.
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Stop snoops from seeing your IP Address and online activities with Avast SecureLine VPN.

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Go beyond the essentials with advanced security

Stay safe from viruses, ransomware, phishing, and hackers with our award-winning antivirus.

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Keep your devices junk-free and running like new

Clean out junk to free up gigabytes of storage space and speed up your device.

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For 30 years, we’ve fought for digital freedom for all

About Avast

Get security, privacy, and performance tips, straight from the experts

Read more at Avast Academy
count: 9
What Is a Computer Virus and How Does It Work?

A computer virus is designed to infect programs & files with malicious code, changing how a computer operates and spreading across systems.

Learn more
What is a VPN & How Does it Work?

What is a VPN? What does it do? How does it work? And how can you use a VPN? Learn all about a VPN's definition and uses in our guide.

Learn more
How to Increase Your Internet Speed Right Now

Wondering why your internet speed is slow? Learn how to improve your internet connection right now, whether you're on Wi-Fi or Ethernet.

Learn more
What Is Hacking?

We all have some concept of hacking - but do you really know what it is? Read our full hacking definition here.

Learn more
What Is Biometrics and How Secure Is Biometric Data?

What is biometric data? Find out how biometric data works, how fingerprints can secure your data, and learn the security risks of biometrics.

Learn more
Proxy vs VPN vs Tor: What Are the Differences?

When it comes to data privacy, which is better — Proxy vs VPN or Tor vs VPN? Learn the differences between VPNs, proxies, and Tor.

Learn more
How to Hide Apps on an Android Phone

Keep your online life private by hiding apps on your Android phone. Learn how to hide apps on your phone with an easy step-by-step guide.

Learn more
What Is a RAR File and How Do I Open it?

Discover what a RAR file is, why they’re useful, and how to safely open and extract .RAR files on Windows, Mac, or smartphones.

Learn more
AMD vs Intel: Which CPU Is Better in 2023?

Intel and AMD have excellent processors for gaming, video editing, and transcoding. Which one is better in 2023: AMD Ryzen or the Intel processor?

Learn more
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Follow these steps to complete your Avast installation:

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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