1. Norton packs in everything but the kitchen sink (opens in new tab)Norton's antivirus products offer a password manager, unlimited VPN data, identity theft protection, parental controls and even online storage. If you're willing to pay full freight, you'll get almost every kind of digital security you could ever need.
2. Bitdefender offers the best value in antivirus software (opens in new tab)Bitdefender Antivirus Plus combines great malware protection with an assortment of useful features and an easy-to-use interface, all at a very affordable price.
Best Rated Computer Antivirus Protection
All of Norton's antivirus products offer excellent malware protection, and the once-heavy system-performance load is much lighter. The number of extra features each program has varies, but the sweet spot in the lineup is Norton 360 Deluxe.
If you want full-on identity protection, Norton offers three bundles with varying degrees of LifeLock service and even more online storage. Their subscription prices run well into the triple digits, but still cost less than if you were to buy the identity protection, password manager, cloud-backup storage and antivirus software separately.
Unlike some of the other best antivirus software makers, Norton doesn't offer a file shredder, file encryption or secure web browser with any of its products. Yet every other digital-protection service you could possibly ask for is included with at least some of its bundles.
The premium antivirus suite, Kaspersky Total Security (19.99 UK/$44.99 US), adds backup software, parental controls, file encryption, a file shredder and an unlimited password manager. We think it's the best antivirus software you can buy today.
The multi-device licenses of those two security suites also come with an identity-protection service. But none of the McAfee products have a secure browser or webcam protection, which you often get with other premium antivirus programs.
However, none of Trend Micro's programs include a two-way firewall or webcam protection, standard with other brands' midrange offerings. Nor does the premium product have the cloud storage or backup software that some of the best antivirus brands add as enticements to their flagship packages.
Free antivirus software used to offer subpar protection while being full of ads and suggestions to upgrade to a paid antivirus program instead. Now though, Kapsersky offers a free version with excellent malware protection. (Bitdefender Antivirus Free Edition has been discontinued, although Tom's Guide readers can still download it using this link (opens in new tab).)
A merger between Avast and AVG created a combined malware-detection engine that is much better than the sum of its parts. Likewise, Microsoft Defender Antivirus is now one of the best free antivirus programs out there and it comes built-in with both Windows 10 and Windows 11.
Microsoft's built-in antivirus software is now a heavy hitter. While Windows Defender, aka Microsoft Defender Antivirus, doesn't quite beat Norton or Kaspersky in malware-protection lab tests, it comes out ahead of Avast, AVG and most other free antivirus products while operating almost entirely behind the scenes.
You won't be getting many extra features with Windows Defender itself, yet Windows 10 does have parental controls, a gaming mode and protections for its own Edge and Internet Explorer browsers. There's no built-in VPN, but you also won't be bothered by pop-ups trying to upsell you to paid antivirus software.
We still recommend going for Kaspersky Security Cloud Free, which has even less of a system impact, better malware protection and more useful extras, but there's absolutely nothing wrong with using Windows Defender as your primary antivirus solution.
That's too bad, because Kaspersky Security Cloud Free is the best free antivirus product we've ever tested. We've never seen such a combination of excellent protection and extra features in a free antivirus program.
It's the best free antivirus software if you want a security solution that you can set up and then forget about. It's also perfect if you need to protect the computer of an elderly relative but don't have time to manage antivirus software from afar.
Avast Free Antivirus has the best assortment of extra goodies of any free antivirus program, including a hardened browser, a gaming mode, a Wi-Fi network scanner and a recently added ransomware shield. (Unfortunately, the unlimited password manager has been discontinued.)
However, Avast Free Antivirus caused a pretty heavy system load in our testing and its scans took a long time. It also kept nagging us to upgrade to Avast's paid antivirus protection, and played bait-and-switch with features that looked like they were free but weren't.
Most vendors offer single-device licenses for Windows PCs. But multi-device, multi-platform licenses for five, 10 or more computers and mobile devices are available in midrange and premium antivirus packages, covering Windows, macOS, Android, iOS and sometimes even Linux. Some vendors offer plans that cover an unlimited number of devices.
Our evaluations are based on the interface, performance, protection and extra features that each antivirus program offers. Was the interface intuitive and user-friendly? How much did malware scans slow down system performance? How well did the program detect and remove malware? Does the program offer other useful tools or features?
We're here to help you find the antivirus software that best fits your needs. These picks of the best antivirus programs are a combination of recommendations from independent third-party labs AV-Test, AV-Comparatives and SE Labs, as well as CNET's own hands-on testing. We regularly research and test software to determine which product leads the pack, and we update this list periodically based on those tests.
Whether you're looking for free antivirus protection or are willing to pay for a program that offers more security features, we have you covered. Here's where to start when looking for the best antivirus software for your specific needs.
Honestly, if you practice safe computing -- you keep your software up to date, you use strong passwords (with the help of a password manager), you steer clear of unexpected emails and you don't click suspicious links that may be phishing attempts -- you probably can avoid zero-day attacks and ransomware attacks. And with the free Microsoft Defender Antivirus software running on Windows 10, you have a malware protection safety net if you do let your guard down. In fact, it is one of the best antivirus software options.
(Note: Microsoft changed the name of Windows Defender to Microsoft Defender and has expanded the service to other platforms.) This free antivirus program is built into Windows, and it's turned on by default, the antivirus engine does its thing, and this antivirus solution will cover the basics of internet security. Microsoft pushes new updates frequently. Defender also lets you tune the level of protection you want, giving you control over blocking potentially unwanted apps and protecting folders and files from a ransomware attack.
Windows 10 and 11 will automatically disable its own Windows Defender antivirus when you install third-party antivirus. If you uninstall the third-party protection, Windows will turn back on its own antivirus.
For a long time, Norton Security -- now called NortonLifeLock, and no longer part of Symantec -- has earned high marks from AV-Test, AV Comparatives and SE Labs for virus and malware detection. Norton antivirus provides industry-leading security software for PC, Mac and mobile devices. Their products include Antivirus Plus, Norton Secure VPN, Norton 360 for Gamers, Norton 360 with LifeLock Select and more. A five-device subscription for Norton 360 with LifeLock Select is normally $180 per year, but you can get your first year for $80 off. In addition to malware and virus protection for your computer and mobile device, this antivirus suite provides 100GB of backup to the cloud, safe-browsing tools, a secure VPN, password manager, parental controls and LifeLock identity theft protection and fraud alert. While not all of those services are necessarily best in their respective class, getting them all in one package is a compelling option.
If you'd like to take a step up in securing your PC without taxing your wallet, it's hard to beat Bitdefender's free antivirus software for Windows 10 and 11. The Windows security software offers real-time monitoring for viruses, malware, spyware and ransomware protection. Bitdefender Antivirus Free Edition is easy to set up and stays out of your way until you need it. And the protection this antivirus product offers is solid. Bitdefender antivirus software consistently earns top marks for its antivirus protection and usability from the respected AV-Test independent testing lab. The free antivirus version covers one Windows PC. For broader protection, you can choose Bitdefender Total Security or Bitdefender Antivirus Plus. The subscription antivirus suite lets you protect five devices (Windows, MacOS, iOS and Android), set up parental controls on a kid's computer and run a VPN.
Malwarebytes does protect your PC from a virus or malware attack, scoring reasonably well in recent independent testing for guarding against malware threats. But that's not really what Malwarebytes is known for. If you find yourself in trouble, the go-to disinfectant for many is Malwarebytes. You can get protection and disinfection for one device for $34 a year, regularly $45. To cover five devices -- any combination of Windows, MacOS and Android -- it's $80 for a year of antivirus software. To get the antivirus company's free antivirus version, download this trial version, which "downgrades" to a no-fee on-demand cleaner with fewer features that detects and removes viruses and malware when you run an on-demand antivirus scan after 14 days. 2ff7e9595c
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