Some fakes are easy to spot. And some aren’t. Fight back against invisible dangers like copycat banking sites trying to steal your money.

Take a look inside

Internet Security is more than a one-trick pony. It comes with many tried-and-tested security measures to keep you safe and your devices running smoothly. 


Intelligent antivirus

Detects all kinds of nasty threats, from viruses to malware. Yes, even spyware, ransom ware, and phishing attacks. 

Smart Scan  NEW 

The ultimate time-saver. Check your PC and network for all kinds of issues in just one easy click. 

Home Network Security

Is your router set up properly? We’ll tell you. Otherwise, anyone can break into your network and anything connected to it (like your computer, phone, or printer). 

Browser Cleanup

Get rid of mystery tool bars, add-ons, and extensions that were installed without you noticing – and without your permission. 


You lock your front door to keep thieves out of your home – so why should your computer be any different? Firewall keeps you safe from all kinds of intruders.

Ransomware-Shield  NEW 

Block ransomware and other un-trusted apps from changing, deleting, or encrypting your personal photos and files.

Cyber-Capture  NEW 

Automatically send suspicious files for analysis in the cloud, and push a cure to all Avast users if it's a threat.

System requirements

We’re not demanding. All you need is a PC with Windows 10, 8.1, 8, 7, Vista, or XP SP3*– which we see you have, 256 MB+ RAM and 1.5 GB of hard disk space. And that’s it.
* Both the 32- and 64-bit versions, excluding Starter and RT editions.


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Internet Security

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