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Download free antivirus software

Our free download now includes much more to keep you safe and private online, including free antivirus, VPN, and firewall. Introducing the new Avast One.
An all-in-one solution for privacy, protection, and performance
2023
Editors’ choice
4.5
2023
Top Product
Award-winning antivirus
Secure any Wi-Fi network
Shop and bank safely
Speed up your PC
Speed up your Mac
Speed up your PC
Avast One

Essential protection for your life today

A free all-in-one service combining antivirus, VPN, performance enhancement, and security tools to help you stay private and safe.
Block viruses and malware with antivirus
Shop and bank online with extra security
Stay private and safe on public Wi-Fi with built-in VPN
Find compromised passwords and re-secure your accounts
Speed up and clean up your devices

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/iPad.
Avast One
Fast, light, and powerful free protection. It's just a click away
Close
Almost done!
Complete installation by clicking your downloaded file and following the instructions.
Initiating download...
Note: If your download did not start automatically, please click here.
Need Help? Please call 61-1800-673-935
Click this file to start installing Avast.
Close
Installation of the antivirus is almost complete!
Complete installation by clicking your downloaded file and following the instructions.
Initiating download...
Note: If your download did not start automatically, please click here.
Need Help? Please call 61-1800-673-935
Click this file to start installing Avast.