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Free antivirus evolved. Get Avast One

Avast One combines our award-winning free antivirus with advanced protection to help you safeguard your privacy, connect securely, speed up devices, and stay safe from cybercrime. And, yes, it’s still free.

DOWNLOAD FREE PROTECTION
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2021 Editors choice
2021 Editors choice
Trustpilot
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Award-winning antivirus
Built-in VPN for more privacy
Hack alerts for online accounts
Speed up & clean up tools

Essential protection for your life today

A free all-in-one service combining antivirus, VPN, speed-up, and security tools to help you stay private and safe.
Device protection
Get peace of mind with award-winning antivirus that’s heavy on features, but won’t slow you down.
Online privacy
Protect your identity and personal information from cybercriminals, and stay as private as you want online.
Smooth performance
Make your PC and phone feel newer with faster processing and more storage space, plus get longer battery life.
Learn more

Free antivirus evolved. Get Avast One

Avast One combines our award-winning free antivirus with advanced protection to help you safeguard your privacy, connect securely, speed up devices, and stay safe from cybercrime. And, yes, it’s still free.

DOWNLOAD FREE PROTECTION
Also available for: iOS, Android, PC
2021 Editors choice
2021 Editors choice
Trustpilot
Play video
Award-winning antivirus
Built-in VPN for more privacy
Hack alerts for online accounts
Speed up & clean up tools

Essential protection for your life today

A free all-in-one service combining antivirus, VPN, speed-up, and security tools to help you stay private and safe.
Device protection
Get peace of mind with award-winning antivirus that’s heavy on features, but won’t slow you down.
Online privacy
Protect your identity and personal information from cybercriminals, and stay as private as you want online.
Smooth performance
Make your PC and phone feel newer with faster processing and more storage space, plus get longer battery life.
Learn more

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.

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.

DOWNLOAD FREE PROTECTION
DOWNLOAD FREE PROTECTION
Also available for: PC, Mac, iOS
Also available for: PC, Mac, iOS
2021 Editors choice
2021 Editors choice
Trustpilot

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.

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.

DOWNLOAD FREE PROTECTION
DOWNLOAD FREE PROTECTION
Also available for: PC, Mac, iOS
Also available for: PC, Mac, iOS
2021 Editors choice
2021 Editors choice
Trustpilot

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.

DOWNLOAD FREE PROTECTION
Also available for: Mac, PC, Android
2021 Editors choice
2021 Editors choice
Trustpilot

Just looking for a specific privacy, security, or performance tool?

Avast One includes award-winning antivirus, anti-ransomware protection, VPN, and clean-up tools — but you can also get these solutions individually if you’re only looking for a specific tool. Learn more, below.

Privacy
Keep your online activity completely private

Protect your privacy by hiding what you do online and staying safe on unsecured public Wi-Fi. Plus, get access to the content you love without restrictions. It’s easy with our Virtual Private Network (VPN).

Get secureline vpn
Security
Go beyond the essentials with advanced security

Stay safe from viruses, ransomware, phishing, and hackers with our award-winning antivirus. Plus, get additional advanced security features so you can safely bank and shop online.

Get premium security
Performance
Keep your devices junk-free and running like new

Clean up junk to free up gigabytes of storage space, boost your device’s speed, and keep it running smoothly. Cleanup Premium makes sure your device performs at its best so you can get the most out of it.

Get cleanup premium

Essential protection for your life today

A free all-in-one service combining antivirus, VPN, speed-up, and security tools to help you stay private and safe.

Learn more
Avast SecureLine VPN

Choose a VPN for true online privacy

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).

Discover VPN

Get privacy and performance tips, straight from the experts

Read more at Avast Academy
count: 9
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.

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 the Best Browser for Privacy and Security?

What's the best browser for privacy and security? We analyzed browser privacy settings to compile a list of the most secure browsers in 2022.

Learn more
How to Unblock Websites at School, Home, or Work

Blocked websites are history. Here’s how to unblock sites using a VPN, proxy, and more – whether at school, work or home.

Learn more
Best Duplicate File Finders & Remover Tools for Windows

Learn how to find and remove duplicate files in Windows 10, 8, and 7. Our list of the best duplicate file finders for Windows (free and paid).

Learn more
Social Engineering and How to Prevent It

Social engineering attacks try to manipulate you into sharing private information. Learn how they work and see examples to prevent falling victim.

Learn more
How to Check How Much RAM You Have on Windows PC or Mac

Is your computer acting strange? You might need to check your RAM. Learn how to check RAM on Windows 10 or Mac and see RAM usage.

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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435Musers trust Avast
DOWNLOAD FREE PROTECTION

Also available for: Android, iOS, Mac

START WITH FREE PROTECTION

Also available for: iOS, Android, PC

START WITH FREE PROTECTION

Also available for: PC, Mac, iOS

START WITH FREE PROTECTION

Also available for: PC, Mac, iOS

START WITH FREE PROTECTION

Also available for: Mac, PC, Android

1.5Bthreats blocked every month
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Follow these steps to complete your Avast installation:

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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