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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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Award-winning antivirus
Easy to install, effortless to use
435+ million users worldwide
We have 30+ years of experience
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Avast One Platinum

A premium all-in-one guardian for you and your family

Avast One Platinum is your all-in-one personal digital guardian that always has your back. It includes identity theft monitoring and up to $2 million reimbursement, our team of specialists to help resolve issues 24/7, plus our powerful protection to safeguard your online privacy and your devices.
Our award-winning antivirus, unlimited VPN, clean-up tools, and advanced privacy tools to help you stay private and safe.
Comprehensive identity monitoring, protection, and theft resolution to give you peace of mind beyond helping you protect your devices.
Up to $2 million reimbursement to compensate for lost wages and stolen funds if your identity is stolen.*
Specialist support 24/7 to help resolve identity theft, device, and technical issues.
Learn more
*Reimbursement of up to $2 million for Avast One Platinum for certain out-of-pocket expenses and lost wages, travel expenses, child or elder care expenses, and depending on your plan coverage amount may vary. Benefits under the policy are issued and covered by Hamilton Insurance DAC. For policy terms, explanation of benefits and exclusions view the
2M Plan Summary of Benefits.

Looking for a specific product that will fit your needs?

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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
How to Set Google Chrome as Your Default Browser on Any Device

Learn how to set Google Chrome as the default browser on your Windows PC, Mac, iPad, iPhone, or Android phone.

Learn more
TCP vs UDP: What’s the Difference and Which Protocol Is Better?

TCP drives reliable data transfers while UDP prioritizes speed and efficiency. Read more to understand the differences between TCP vs UDP.

Learn more
How to Hide Apps on an iPhone

Keep your online life private by hiding apps on your iPhone. Learn how to hide apps on an iPhone or iPad with our easy, step-by-step guide.

Learn more
How to Spot a USPS Text Scam

Don't reply to USPS messages if you haven't signed up for USPS tracking. Learn how to check if a USPS text message is real or a scam.

Learn more
How Do I Fix Sound Problems on My Computer?

How do I fix no sound on my computer? In this article, we will show you how to fix sound or audio problems in Windows.

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