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.
Protect more of what you love
Looking for a specific product that will fit your needs?
Stop snoops from seeing your IP Address and online activities with Avast SecureLine VPN.
Stay safe from viruses, ransomware, phishing, and hackers with our award-winning antivirus.
Get security, privacy, and performance tips, straight from the experts
A computer virus is designed to infect programs & files with malicious code, changing how a computer operates and spreading across systems.
What is a VPN? What does it do? How does it work? And how can you use a VPN? Learn all about a VPN's definition and uses in our guide.
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 is biometric data? Find out how biometric data works, how fingerprints can secure your data, and learn the security risks of biometrics.
When it comes to data privacy, which is better — Proxy vs VPN or Tor vs VPN? Learn the differences between VPNs, proxies, and Tor.
Keep your online life private by hiding apps on your Android phone. Learn how to hide apps on your phone with an easy step-by-step guide.
Discover what a RAR file is, why they’re useful, and how to safely open and extract .RAR files on Windows, Mac, or smartphones.
Intel and AMD have excellent processors for gaming, video editing, and transcoding. Which one is better in 2023: AMD Ryzen or the Intel processor?