Free antivirus is your first step to online freedom

Name: Avast Free Antivirus
Brand: Avast

We believe everyone has the right to be safe online, which is why we offer our award-winning free antivirus to millions of people around the world.

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All PC products

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2019 Top
Rated product

Also available for: iOS, Android, PC

2019 Top
Rated product

Also available for: PC, Mac, iOS

2019 Top
Rated product

Also available for: PC, Mac, iOS

2019 Top
Rated product

Also available for: Mac, PC, Android

2019 Top
Rated product

Creating a safer world

FOR HOME

Personal online protection everywhere you go

We protect your privacy and keep you safe online with Premium Security and our Virtual Private Network (VPN) that safeguards your personal data.

HOME SECURITY

FOR BUSINESS

Simple solutions for business’s biggest security problems

We deliver complete endpoint and network security solutions designed for small and midsize businesses & IT service providers.

BUSINESS SECURITY

FOR PARTNERS

Protecting the customers of global operators

We partner with the world’s leading mobile and broadband network operators to offer security, privacy, and digital parenting solutions.

PARTNER SOLUTIONS

Avast Premium Security

Complete protection for all your devices

Our most advanced protection is your lightest, toughest defense against viruses, ransomware, malware, zero-day threats, home Wi-Fi network vulnerabilities, and more.

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Avast SecureLine VPN

Choose a VPN for true online privacy

Advertisers tracking your every move, content blockers making it difficult to view your favorite sites, and hackers diving into your search history and bank accounts on free public Wi-Fi are blocked with Avast’s Virtual Private Network (VPN).

Discover VPN

Expert tips and guides about digital security and privacy

Avast Academy

How to Set Up a VPN

Without a VPN, your IP address is visible whenever you’re online. Learn how to set up a VPN and protect your privacy on Windows, Mac, Android or iOS.

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What Are the Best Ad Blockers to Use for Your Browser?

Annoying ads ruining your browsing experience? Get rid of them with the best ad blockers for Chrome, Safari, Firefox, Edge, or any browser you use.

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What Is Doxxing and How Can You Prevent It?

Doxxing, or doxing, involves distribution of your personal information online. Find out how to avoid getting doxxed.

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A Complete Guide to Web Tracking (and How to Avoid It)

Cookies, browser fingerprinting, and other web tracking methods are all over the internet. Learn about web trackers and how to block them from following you.

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How to Open Incognito Mode in Google Chrome

Incognito mode delivers a safer and more private browsing experience. Here's how to go incognito in Chrome.

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How to Remove Viruses & Malware From a PC

Have you noticed your Windows PC behaving strangely? Find out how to detect and remove viruses and other malware in this complete guide.

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What Is Cross-Site Scripting (XSS)?

Cross-site scripting (XSS) lets hackers place into web pages malicious scripts that install malware onto users’ PCs. Learn how to protect against XSS.

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What Is Cloud Security?

Cloud-based security systems are a rapidly evolving solution. Find out what cloud security is and how it works.

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What Is Server Security - and Why Should You Care?

Our guide to server security includes everything you need to secure your server and mitigate security risks.

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