Free antivirus is your first step to online freedom
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.
Creating a safer world
We protect your privacy, keep you safe online, and safeguard your personal data with our Premium Security and VPN services.
We deliver complete endpoint and network security solutions designed for small and midsize businesses & IT service providers.
Complete protection for all your devices
Get privacy and performance tips, straight from the experts
A computer virus is a type of malware that can spread quickly between computers and other devices. Learn how viruses work and how to protect against them.
A VPN is a secure, encrypted connection that protects your privacy online. Learn what VPNs are, how they work, and why they're essential to your security.
Wondering why your internet speed is slow? Learn how to improve your internet connection right now, whether you're on Wi-Fi or Ethernet.
We all have some concept of hacking - but do you really know what it is? Read our full hacking definition here.
What's the best browser for privacy and security? We analyzed browser privacy settings to compile a list of the most secure browsers in 2022.
Blocked websites are history. Here’s how to unblock sites using a VPN, proxy, and more – whether at school, work or home.
Learn how to find and remove duplicate files in Windows 10, 8, and 7. Our list of the best duplicate file finders for Windows (free and paid).
Social engineering attacks try to manipulate you into sharing private information. Learn how they work and see examples to prevent falling victim.
Is your computer acting strange? You might need to check your RAM. Learn how to check RAM on Windows 10 or Mac and see RAM usage.
Keeping people safe & secure around the world
Using real-time intelligence from over 435 million Avast users, we block more than 1.5 billion threats every month.