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Download Free Antivirus Software

Avast One protects your devices, money, privacy, and identity. And it's completely free.

An all-in-one solution for privacy, protection, and performance
2021 <b>Editor's Choice</b>
2021 Editor's Choice
4.5
2021 <b>Editor's Choice</b>
2021 Editor's Choice
5
Award-winning antivirus
Secure any Wi-Fi network
Shop and bank safely
Speed up your Pc
Award-winning antivirus
Secure any Wi-Fi network
Shop and bank safely
Speed up your Pc
Award-winning antivirus
Secure any Wi-Fi network
Shop and bank safely
Speed up your Pc
Award-winning antivirus
Secure any Wi-Fi network
Shop and bank safely
Speed up your Pc
Award-winning antivirus
Secure any Wi-Fi network
Shop and bank safely
Speed up your Mac
Compare our products
Avast One Essential
See details
Avast One
See details
Premium Security
See details
Monitor your apps for any suspicious activity
Advanced firewall to block intruders
Stop webcam spies
Avoid fake and dangerous websites
Give your sensitive info extra protection
Monitor your online accounts for breaches
Update your drivers automatically
Avoid being tracked by advertisers
Enjoy unlimited VPN with 55 locations
Clean up and tune up your devices
 

Avast One Essential

Avast One

Premium Security

Compare our products
Avast One Essential
See details
Avast One
See details
Premium Security
See details
Monitor your apps for any suspicious activity
Advanced firewall to block intruders
Stop webcam spies
Avoid fake and dangerous websites
Give your sensitive info extra protection
Monitor your online accounts for breaches
Update your drivers automatically
Avoid being tracked by advertisers
Enjoy unlimited VPN with 55 locations
Clean up and tune up your devices
 

Avast One Essential

Avast One

Premium Security

Compare our products
Avast One Essential
See details
Avast One
See details
Premium Security
See details
Monitor your apps for any suspicious activity
Advanced firewall to block intruders
Stop webcam spies
Avoid fake and dangerous websites
Give your sensitive info extra protection
Monitor your online accounts for breaches
Update your drivers automatically
Avoid being tracked by advertisers
Enjoy unlimited VPN with 55 locations
Clean up and tune up your devices
 

Avast One Essential

Avast One

Premium Security

Compare our products
Avast One Essential
See details
Avast One
See details
Premium Security
See details
Monitor your apps for any suspicious activity
Advanced firewall to block intruders
Stop webcam spies
Avoid fake and dangerous websites
Give your sensitive info extra protection
Monitor your online accounts for breaches
Update your drivers automatically
Avoid being tracked by advertisers
Enjoy unlimited VPN with 55 locations
Clean up and tune up your devices
 

Avast One Essential

Avast One

Premium Security

Compare our products
Avast One Essential
See details
Avast One
See details
Premium Security
See details
Monitor your apps for any suspicious activity
Advanced firewall to block intruders
Stop webcam spies
Avoid fake and dangerous websites
Give your sensitive info extra protection
Monitor your online accounts for breaches
Update your drivers automatically
Avoid being tracked by advertisers
Enjoy unlimited VPN with 55 locations
Clean up and tune up your devices
 

Avast One Essential

Avast One

Premium Security

Avast One

What is Avast One?

To guarantee a safe and enjoyable online experience, an antivirus alone isn’t enough. So we’re offering Avast One, the integrated service to increase privacy, connect securely, speed up your devices, and stay safe from viruses.

Avast One is an all-in-one service with a single free download — available for PC, Mac, Android, and iPhone.

To guarantee a safe and enjoyable online experience, an antivirus alone isn’t enough. So we’re offering Avast One, the integrated service to increase privacy, connect securely, speed up your devices, and stay safe from viruses.

Avast One is an all-in-one service with a single free download — available for PC, Mac, Android, and iPhone.

To guarantee a safe and enjoyable online experience, an antivirus alone isn’t enough. So we’re offering Avast One, the integrated service to increase privacy, connect securely, speed up your devices, and stay safe from viruses.

Avast One is an all-in-one service with a single free download — available for PC, Mac, Android, and iPhone.

To guarantee a safe and enjoyable online experience, an antivirus alone isn’t enough. So we’re offering Avast One, the integrated service to increase privacy, connect securely, speed up your devices, and stay safe from viruses.

Avast One is an all-in-one service with a single free download — available for PC, Mac, Android, and iPhone.

To guarantee a safe and enjoyable online experience, an antivirus alone isn’t enough. So we’re offering Avast One, the integrated service to increase privacy, connect securely, speed up your devices, and stay safe from viruses.

Avast One is an all-in-one service with a single free download — available for Mac, PC, Android, and iPhone.

Avast One

Fast, light and powerful free protection. It's just a click away

Avast One

Fast, light and powerful free protection. It's just a click away

Avast One

Fast, light and powerful free protection. It's just a click away

Avast One

Fast, light and powerful free protection. It's just a click away

Avast One

Fast, light and powerful free protection. It's just a click away

Close

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