G Data Internet Security G Data comes with various extra features, including a backup tool and email protection.F-Secure SAFE F-Secure comes with a host of extra features, including parental control and banking protection.ESET Internet Security ESET has previously performed well in our tests and it comes with a few extra features, including a network monitor.Bitdefender Internet Security Bitdefender might not be the best-known brand, but it's reliable when faced with a deluge of viruses, it could still be worth buying.Kaspersky offers both paid-for and free software, and we’ve tested them both. Kaspersky Internet Security and Security Cloud It can be very expensive, however, so it will need to put in a strong showing to prove it’s worth the cash. You’ll find Norton pre-installed on lots of laptops and it’s a popular choice in high-street retailers. We’ve put it through its paces, along with Avast’s paid-for options. It might be light on features, but as long as it gets the basics of security and anti-phishing right, it could prove to be an excellent choice. Avast Free AntivirusĪvast is one of the best known antivirus companies that offers a free edition of its software.

Show full table Popular antivirus for Windowsįind out more about the most popular antivirus programs. Not yet a member? Join Which? to unlock our antivirus results, along with all of our online reviews, including laptops, desktop PCs and mobile phones. Which? members can log in to see the full results. So you need to make sure the software you install is one of the best antivirus programs, which you can do by using the results of our tough, independent lab tests. But be careful – we've found some free software is annoying to use, has irritating pop-ups and simply isn't as good as rivals when it comes to protecting your data. You can save yourself around £45 to £80 a year by choosing a good free antivirus program. Looking for antivirus for your Mac? See our expert pick of the Best antivirus software for Apple Macs Best free antivirus software for Windows So unless you want extra features or extra piece of mind, opt for one of our best free antivirus programs. We know that free and paid-for versions of the same software have the same protection. Thanks to our tests, we can also save you money. This means you can be confident that any program we say is the best, really is. We repeat this four times a year, as new threats are emerging all the time. To find the very best antivirus software for your PC, we bombard free and paid-for antivirus software with tens of thousands of threats in our tests, including viruses, ransomware and phishing attacks designed to compromise and steal data. Find out which program meets your needs by using the results of our in-depth antivirus lab tests. Looking for the best free antivirus software? You've come to the right place.

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