Download Free Antivirus Software | Avast 2019 PC Protection

Avast Free Antivirus

Lighter, more powerful – and absolutely free

“Scores high... an excellent choice for free antivirus protection”

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Cloud-light, award-winning free virus protection

Packed with the largest threat-detection network, machine-learning virus protection, easy password management and home network security that won’t slow down your PC.

Easy to install,
effortless to use

Avast Free Antivirus scans for security and performance issues and tells you how to fix things instantly.


It protects you in real-time by analyzing unknown files before they get to you. So relax: With Avast, you’re running the most trusted antivirus out there.

What’s inside the latest version?

A beautifully intuitive interface, advanced application protection, a new passive mode for running multiple security products in parallel — and a little something for you gamers and movie buffs.

Designed for effortless security

Just a click of our fresh, new, easy-to-use interface checks everything from your passwords to your home network security.

Introducing Behavior Shield

We don’t just check your applications for malware. We now keep an eye on their behaviour to make sure they don’t suddenly go rogue.