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Stay safe and secure online with our powerful protection.

"Scores high... an excellent choice for free antivirus protection"

Award-winning protection, on us

Powered by the largest threat-detection network and machine learning protection plus easy password management and home network security that won't slow down your PC.

AV Comparatives Top Performer

Avast is recognized by the most important anti-malware institute.

PC Mag Editor's Choice

5 Advanced+ awards and the lowest impact on PC Performance

Virus Bulletin 100 Certified

Certified for 100% protection against 0-day threats.

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.

Avast mobile protection

Smart phones need
smarter defenses

Your phone is your bank, office, and arcade. Protect yourself with our leading mobile apps, so you can pay securely, email privately, and free up the space you need.

World-class security solutions for business

Stay focused on your endgame and leave your endpoint security to us. On-premise or cloud-based, we scale to your business — whatever its size, network, or devices.

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We are 400 million. Be our “plus one”

Our 400 million users are the 400 million reasons why we lead the digital security pack. Each Avast-loaded device is a source of real-time intelligence about new and current threats. That’s how we stop over 66 million of them every day. By joining Avast, you help to make that network even stronger.

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