Free antivirus was just the beginning.
Introducing Avast One
Avast One combines our award-winning free antivirus with advanced protection to help you safeguard your privacy, connect securely, speed up devices, and stay safe from cybercrime. And, yes, it’s still free.
Free antivirus was just the beginning.
Introducing Avast One
Avast One combines our award-winning free antivirus with advanced protection to help you safeguard your privacy, connect securely, speed up devices, and stay safe from cybercrime. And, yes, it’s still free.
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.
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.
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.
Ensure your privacy, security, and performance with
Avast’s complete online protection
Live your best connected life with our comprehensive range of products. Safeguard your online privacy, secure all your devices against threats, and keep them running at peak performance.
Essential protection for your life today
Choose a VPN for true online privacy
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 is so slow? Read our full guide to find out how to improve your 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 a browser hijacker, and what risks and damage can browser hijacking cause? Learn how to remove browser hijackers and defend against them here.
What’s the difference between WPA and WPA2 and WEP? Find out which one is the most suitable for you.
What is the Windows Registry? Find out how it works, how to open it with regedit (the registry editor), and how to edit it with our simple guide.
How do you report identity theft? If you think your identity has been stolen, find out how to report it to the FTC, the police, or the government.
The MD5 algorithm is a hash function. Find out how it works, and what the MD5 hashing algorithm is used for.
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.
