PC-UnitWhy you need antivirus? What is antivirus?

Antivirus software detects, and then prevents, disarms or removes malicious programs or malware, often referred to as ‘viruses’. Antivirus doesn’t offer a perfect solution to the problem of malware, but it is a critical first step to securing your PC or laptop.

To help prevent viruses infecting your PC you must install antivirus, and then regularly update your antivirus software. All of the antivirus software reviewed here will update automatically.

How to choose antivirus

Malware is evolving faster than ever, but fortunately the latest generation of antivirus – or AV – is better equipped than ever to handle new threats.

In recent years, the technology that powers AV software has changed dramatically. An AV package you purchased a few years ago was able to stop known viruses and other known malware, but brand-new, unknown viruses proved more difficult. Newer products do a better job of stopping them.

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