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Free antivirus is 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.

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We protect your privacy, keep you safe online, and safeguard your personal data with our Premium Security and VPN services.

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We deliver complete endpoint and network security solutions designed for small and midsize businesses & IT service providers.

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We partner with the world’s leading mobile and broadband network operators to offer security, privacy, and digital parenting solutions.

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Complete protection for all your devices

Our most advanced protection is your toughest defense against viruses, ransomware, zero-day threats, Wi-Fi vulnerabilities, and more.

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Block ISPs from tracking your activity, stop geo-restrictions from content providers, and ensure public Wi-Fi is safe with Avast’s Virtual Private Network (VPN).

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Get privacy and performance tips, straight from the experts

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The Essential Guide to Computer Viruses

A computer virus is a type of malware that can spread quickly between computers and other devices. Learn how viruses work and how to protect against them.

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

A VPN is a secure, encrypted connection that protects your privacy online. Learn what VPNs are, how they work, and why they're essential to your security.

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How to Increase Your Internet Speed... Right Now!

Wondering why your internet is so slow? Read our full guide to find out how to improve your connection right now, whether you're on Wi-Fi or Ethernet.

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What Is Hacking?

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

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How to Set Up and Control Google SafeSearch

How to turn Google SafeSearch on and off? Find out how to filter explicit results with Google SafeSearch and adjust settings to suit your kids.

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How to Stay Safe on Public Wi-Fi

Browsing on public networks is not always safe. Learn how to find a secure Wi-Fi connection and stay safe on a public network.

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What Are Junk Files and How to Remove Them

Find out what the most common types of junk files are, why they can be a problem, and how to remove them safely.

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What Is a Deepfake Video and How to Spot One

What is a deepfake? Learn how AI technology is used in videos to swap faces of celebrities and others, and why deepfakes are a problem.

Learn more
IT Disaster Recovery Plans

Learn what a disaster recovery plan (DRP) is and why it's crucial for businesses. Then learn how best to implement your IT disaster recovery plan.

Learn more

Keeping people safe & secure around the world

Using real-time intelligence from over 435 million Avast users, we block more than 1.5 billion threats every month.

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Also available for: iOS, Android, PC

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Also available for: PC, Mac, iOS

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Also available for: PC, Mac, iOS

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Also available for: Mac, PC, Android

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