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 netiquette? Learn internet etiquette guidelines and be fluent in proper netiquette when interacting with others online.
Browsing on public networks is not always safe. Learn how to find a secure Wi-Fi connection and stay safe on a public network.
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.
What is a bot? Find out the meaning of a bot, how they work, and learn about the different types of computer bots.
Installing a RAM upgrade on a Windows PC is a great way to boost performance. Find out how to get more PC memory here.
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.
