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Internet Security Software

Internet security is only as strong as its weakest link, so it’s vital to use comprehensive internet security software. Avast One does it all — from malware removal and firewall defenses to anti-ransomware shields and phishing protection. Get award-winning, 100% free computer protection.

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Editors' choice
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2022
Top Rated
Product

Free internet security software for your computer

Blending internet security with comprehensive computer protection, Avast One is the ultimate online security and privacy solution. With impenetrable security for computers against viruses, malware, and other online threats, Avast One is built to protect your online safety and freedom.

Avast One lets you:

Industry-leading internet security software

Avast has shelves stocked full of awards from industry experts, who laud its unrivaled internet security, antivirus, and privacy protections.

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Avast’s virus-fighting technology took home PCMag’s coveted 2021 Editors’ Choice award, while TechRadar gave Avast a full five stars for offering “excellent all-round protection provided by a range of powerful tools.” Our award-winning antivirus security software has been earning accolades for years:

  • AV_test-logo2

    AV-TEST: Top Product, AV Test Certified, 2022

  • PC-mag_logo2

    PC Mag: Editors’ Choice, 2021

  • tech-rada-logo-27x27

    TechRadar: 5 stars, 2021

  • award-av-comparative-plkaceholder

    AV Comparatives: Top Rated Product Award, 2020

Internet security software trusted by over 400 million users

But don’t just take our word for it.

Stay protected on your Mac and mobile, too

All devices need internet security, including Mac and mobile devices.

Think Macs don’t need security protection? Think again! There are a variety of Mac-specific threats online. Protect against ransomware and stop spyware and other malware from infecting your Macbook with Avast One for Mac. Think Macs don’t need security protection?

An unprotected mobile device is a lucrative target for hackers. Get Avast One for your Android or iOS device to lock down your data, secure your Wi-Fi network, and bank, shop, and chat safely.

Download our free internet security software

Avast One provides all-encompassing security against all types of online threats, protecting your computer in real time and letting you browse safely and privately at all times. And it’s completely free.

FAQs

Which is the best internet security software?

Avast One is one of the best internet security software packages available, combining an award-winning antivirus engine with a suite of advanced security and privacy tools. Enjoy a safer, more comfortable, and more private online experience with Avast One.

Should I get internet security or antivirus?

You should get a comprehensive internet security app that includes a strong antivirus. While the best antivirus programs detect and defend against viruses and other types of malware, strong internet security packages include a range of tools to protect all your online activity.

How does internet security software work?

Internet security works by combining a range of security and privacy software tools to protect your entire online life. These tools include anti-malware protection, ransomware protection, and firewalls, as well as VPNs to encrypt your internet connection, hide your IP address, and prevent web tracking.

What are some examples of security software?

Examples of security software include specialized malware removal tools such as spyware removal tools that can counter advanced privacy threats. Firewalls that protect you from dangerous websites and password managers that keep track of all your passwords are other types of internet security software.

What should I look for in an internet security suite?

When getting an internet security suite, you want a comprehensive security package that includes protection against the widest range of today’s online threats, including spyware, network intrusions, and phishing attacks. A good internet security suite should be compatible with other security tools like private browsers and VPNs.

System requirements

We’re not demanding. All you need is a PC with Windows 11, 10, 8.1, 8 or 7*, 1 GB RAM 
and 2 GB of hard disk space. And that’s it.

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

Windows 10 compatible

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Get ironclad internet security for your PC with Avast One

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Get ironclad internet security for your Mac with Avast One

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