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 and keep you safe online with Premium Security and our Virtual Private Network (VPN) that safeguards your personal data.
We deliver complete endpoint and network security solutions designed for small and midsize businesses & IT service providers.
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).
Expert tips and guides about digital security and privacy
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.
Identity theft is a devastating crime that can turn your world, and your finances, upside down. Find out how you can take steps to protect your identity here.
Discover the best iPhone security apps, from private browsing to email and messaging encryption. Safeguard your iPhone privacy today.
Find out what bloatware means for your smartphone or laptop, and how to remove bloatware from affected devices.
Identity theft is a growing threat in our interconnected digital world. Learn what identity theft is, what the warning signs are, and how to prevent it.
The dark web isn't indexed by search engines, so how do people access it and what do they do on darknet browsers? Read our dark web guide to find out.
Keeping people safe & secure around the world
Using real-time intelligence from over 400 million Avast users, we prevent more than 66 million threats every day.
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Follow these 3 easy steps to complete your Avast installation
Note: If your download did not start automatically, please click here.
Run the Avast installer
Click the downloaded file at the
top right corner of your screen.
Confirm the installation
Click "Yes" on the system dialog window to approve the start of your Avast installation.
Follow setup instructions
Click the button in the installer
window to begin installation.
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