Avast Internet Security 2018




Security for Microsoft Windows
  • PC: Windows 10, 8.1, 8, 7, Vista, or XP SP3*
  • Minimum hardware requirements: 512MB+ RAM and 1.5 GB of hard disk space.

* Both the 32- and 64-bit versions, excluding Starter and RT editions.

Intelligent Antivirus and Antimalware

Detect and block viruses, malware, spyware, ransomware and phishing. Avast uses smart analytics to stop threats before they affect you

File Shield

Automatically scans files that are opened on a PC to make sure they’re malware-free, without slowing users down or getting in their way.

Behavior Shield

Spot and block suspicious behavior patterns for zero-second protection against unknown threats and ransomware.

Web Shield

Ensures every website visited is trustworthy by checking the URL and website certificate, before any risky connections are made to your network.

Email Shield

Open every email and download every attachment confidently. Avast will check both incoming and outgoing emails to ensure they’re completely malware-free.


Test and play with suspicious files in a safe environment before you let them run on your computer, making sure they don’t wreak havoc on your PC.


Keep hackers on the other side of the wall with this essential security feature that monitors and controls what goes in and out of your computer.


Dodge spam and other malicious content, so you can focus on the emails that truly matter.

Wifi Inspector

Automatically detect weaknesses in your home Wi-Fi and strangers piggybacking on your network.

Real Site

Protect yourself from hackers who attempt to hijack your DNS (Domain Name System) settings, redirect you to fake sites and steal your banking details.

Cyber Capture

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

Ransomware Shield

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

Automatic Software Updater*

Old and outdated programs can slowly chip away at your security wall. Keep your software up to date automatically and you’ll be less vulnerable to attacks.

* Available in Avast Premier

Data Shredder*

Keep your secrets safe by permanently deleting sensitive files once you’re done with them so they can’t be recovered.

* Available in Avast Premier


Lock all your accounts with one secure password. Avast will manage the rest of them for you, so you can log in quickly and securely.

Browser Cleanup

Rid your browser of toolbars, add-ons and other extensions that were installed without you noticing.

Additional information

Choose how many devices?

1 User 1 Year £30.59 GBP, 3 Users 1 Year £38.69 GBP, 10 Users 1 Year £107.09 GBP, 1 User 2 Years £45.89 GBP, 3 Users 2 Years £54.89 GBP, 10 Users 2 Years £149.39 GBP, 1 User 3 Years £61.19 GBP, 3 Users 3 Years £76.49 GBP, 10 Users 3 Years £214.19 GBP