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Download free antivirus software

Avast One is totally free and keeps you private and secure online with antivirus, VPN, and firewall, plus clean-up, speed-up, and privacy tools.

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
Compare our Avast One plans
Choose Silver module:
Avast One Silver
Device Protection module
Privacy module
Performance module
Hundreds of millions of users
30-day money-back guarantee
Made in the EU
Available for PC, Mac, Android, and iPhone/iPad
Block viruses, ransomware, and malware
Monitor your apps for any suspicious activity
Block intruders with advanced firewall
Stop webcam spies
Avoid fake and dangerous websites
Give your sensitive info extra protection
Enjoy unlimited VPN with 55 locations
Monitor your online accounts for breaches
Avoid being tracked by advertisers
Update your drivers automatically
Clean up and tune up your devices
Hundreds of millions of users
30-day money-back guarantee
Made in the EU
Available for PC, Mac, Android, and iPhone/iPad
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.

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/iPad.

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