Best Antivirus for Windows 10: We should all know the rules of how to protect our privacy and Internet security and keep Windows secure: Don’t tap questionable links or download apps from shady sites, don’t open unexpected messages and emails, don’t give out personal information, use secure passwords, and keep your Windows software up to date. 
Best Windows antivirus software
You can also take a few extra Internet security steps to make sure you’re safe online with a PC: Use a password manager to keep track of login credentials, a VPN to protect your internet traffic, and an end-to-end encrypted messaging app to keep people from spying on your communications.
But if you are looking for legitimate software to keep your Windows device secure, a good first step is to run the best antivirus software. The best antivirus suite and antivirus tools monitor your app downloads and watch for malicious software and suspicious software behavior.
And here’s the first important thing for you to know about the best antivirus software and antivirus products: Microsoft Defender — the free antivirus program and Internet security software that comes free with Windows 10 and until recently was called Microsoft Windows Defender — does a fine job of protecting your PC and providing Internet security. (Amazingly, Microsoft provided no built-in protection for Windows back in the days of Windows 98 and XP.) So using Microsoft Defender should be your starting point for the best antivirus security on Windows, and most users will find they don’t need to go any further.
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Antivirus Software
However, you can make the case that the Windows security ecosystem is healthier when users don’t depend on just one company for protection from a virus or malware. If you favor robust platform diversity, you can easily find solid virus or malware protection from third-party security companies that are up to the task of guarding your PC for free. And most let you also protect all your devices with an annual subscription — though it’s important to note, that’s largely unnecessary outside the Windows realm.
To that end, we’ve put together a list of the best antivirus products for Windows, encompassing both free antivirus programs and subscription options. These picks of the best antivirus programs are a combination of recommendations from independent third-party labs AV-Test and AV-Comparatives and our hands-on testing. Best Antivirus for Windows 10.
Note that our editors independently choose the free and paid security services discussed here. We’re in the process of updating this full list, so check back before the end of the year for an update.
Update, October 21: This list previously included Avast’s antivirus as an alternate free choice. Still, we’ve pulled that recommendation in light of a report from Avast that its internal network was breached this year, possibly to insert malware into its CCleaner software. This is the second such security issue from Avast in under 3 years.
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Our recommendations
Looking for free antivirus protection or virus detection, willing to pay for broad antivirus coverage across all your devices, or needing to remove a virus or malware from your PC right now? Here’s where to start.
Free version? Yes, built into Windows 10
Paid version: Windows Defender Advanced Threat Protection is available to corporate users for a fee
Honestly, if you consistently practice safe computing — you keep your software up to date, use strong passwords (with the help of a password manager), and steer clear of unexpected emails and links. You probably can stay clear of zero-day attacks and ransomware attacks. And with Microsoft’s free Microsoft Defender Antivirus software running on Windows 10, you have a safety net if you do let your guard down. (Note that Microsoft recently changed the name of Windows Defender to Microsoft Defender and has expanded the service to other platforms.) This antivirus program is literally built into Windows — leave it turned on (it is by default) and let it do its thing, covering the basics. Microsoft pushes new updates daily. Best Antivirus for Windows 10.
Norton Platforms: Windows 10 plus macOS, Android, iOS
For a long time, a respected security company, Norton Security from Symantec, now called NortonLifeLock, has earned high marks from AV-Test for virus and malware detection. A five-device subscription via Norton Security is normally $99.99, but you can sign up for $59.99 to get coverage across PCs, Macs, Android devices, and iPhones and iPads. (But note, again, that we don’t think antivirus protection is terribly useful outside the Windows realm.) In addition to malware and virus protection. You get 100GB of automatic backup to the cloud, safe-browsing tools, a VPN, easy device management via a web browser console, and LifeLock identity theft protection. Best Antivirus for Windows 10.
Malwarebytes
Malwarebytes does protect your PC from a virus or malware, scoring well in recent independent testing for guarding against malware infections. But that’s not really what Malwarebytes is known for. So if you find yourself in trouble, the go-to disinfectant for many is Malwarebytes. You can get protection and disinfection for one device for $40 a year. To cover 10 devices — any combination of Windows, macOS, and Android –, it’s $130. To get the 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 scan.
Also worth considering
In addition to the three antivirus apps, we recommend above. A handful of other anti-malware tools are worth considering among the best antivirus protection if you find them at a better price or prefer to use one over our picks above.
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 anti-virus software for Windows 10. The Windows security software offers real-time monitoring for viruses, malware and 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 it offers is solid. Bitdefender 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, Bitdefender Internet Security is $80 MSRP and is available at the moment for $45. It lets you protect three computers, set up parental controls on a kid’s computer, and run a VPN. To protect every device you own, the Bitdefender Family Pack can secure 15 total devices — Windows, Android, iOS, and macOS — in your home for $120 MSRP and is discounted to $60 right now.
Bitdefender Internet Security
It feels like the company has been around forever, first on its own in the ’80s, then as part of Intel starting in 2010, and then again on its own when Intel spun it off in 2017. And it’s been around forever because quarter after quarter, it creates solid security software that protects your PC. (In recent evaluations by AV-Test, it had perfect scores on detecting 0-day attacks and blocking current widespread viruses and malware.) McAfee Total Protection guards against viruses and offers ransomware protection, wards off shady websites, and includes a password manager. It lets you manage all your protected devices through the web console. A 10-device subscription is normally $120 MSRP but currently is $45 for any combination of Windows, macOS, Android, and iOS devices. Best Antivirus for Windows 10.
Maybe not as well known to consumers because of its focus on enterprise security, Trend Micro quietly brings its business expertise to the home with its Trend Micro Maximum Security tools. Trend Micro’s software earns high marks from AV-Test — scoring 100 percent in detecting 0-day attacks and widespread viruses and malware. And Trend Micro does a good job of not taxing system resources. For example, trend Micro’s 10-device subscription for computers and mobile devices is $90 MSRP but is discounted currently at $50.
If you are looking for something easy to set up and use, ESET NOD antivirus may meet your needs. It earns top scores for usability and offers solid virus protection. And its Android antivirus gets top marks in third-party tests.
What about Kaspersky?
Because the company has been in the news for the past few years, let’s talk about Kaspersky Lab — specifically about the federal ban that blocks US government agencies from using Kaspersky products.
For years, based in Moscow, Kaspersky Lab produced some of the best antivirus software for business antivirus needs and home customers. But in 2017, the US government prohibited Kaspersky software on federal government computers because of alleged ties between Kaspersky and the Russian government.
Notably, the ban does not apply to its consumer products. But, like China-based Huawei, the question remains: If the federal government doesn’t think the products are safe enough for its own devices, should consumers avoid it as well?
Kaspersky
In a statement sent to CNET, the company said, “Kaspersky Lab has no ties to any government. And the company has never, nor will ever, engage in cyber offensive activities. Furthermore, Kaspersky Lab maintains that the U.S. Government has presented no public evidence of any wrongdoing and that the U.S. government’s actions against Kaspersky Lab were unconstitutional.”
Kaspersky’s favor continues to earn top scores and awards for virus and malware detection. And endpoint security from independent testing labs. And it’s reasonably priced, with basic antivirus protection for three devices running $30 a year, or blanket protection for 10 devices. With Kaspersky Total Security — for $75 a year. In comparison, the Webroot SecureAnywhere AntiVirus program costs $37.50 per year for three devices. And a single device on Webroot SecureAnywhere AntiVirus costs $30 a year.
In the end, even though no one has ever publicly produced a “smoking gun” linking the company to Russian intrigue, we think any of the options listed above are a safer bet. And, if you are a US government employee or work with the federal government. You will want to steer clear of Kaspersky.
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Antivirus basics: What to look for
Picking the best antivirus software for Windows means finding one that keeps your PC safe, and doesn’t take up many system resources. It is easy to use and stays out of the way till you need it. Here’s what to look for.
Effectiveness. Antivirus scans for a known viruses and malware, of course, can offer real-time protection. And it watches for shady websites and suspicious links to keep you out of trouble. It can also offer ransomware protection and monitor unexpected behavior that may sign new and not-yet-identified viruses and malware. You want an antivirus that can successfully identify these unknown online threats without flagging too many false positives.
Light on system resources. You don’t want an antivirus that taxes your PC’s resources. If you install antivirus, websites open slowly, apps download or open sluggishly, or file copies take longer than expected, you may want to try another service. The good news is, all our picks offer a free trial to let you try out the antivirus program. So if your system feels sluggish after you install antivirus solutions, you may want to keep looking.
Cost and discounts. Don’t just pay the sticker price for antivirus. Before you buy, check for discounts on a company’s website. Another way to save: The prices we list above are for 10 devices — if the company offered that package. But you can trim your cost with antivirus packages if you need to cover just three or five devices. You may also find discounts on an app’s Amazon page.
Best Antivirus To Protect Windows 10
Privacy. To be effective, antivirus software needs to monitor what’s going on with your PC and check in with company servers about unusual behavior. The companies say they anonymize this technical data as much as possible to protect your privacy. But if you want to know more, the security companies on our list post privacy policies on their websites. So read their privacy statement to learn what the companies do with the information you share.
Protection for other platforms. Microsoft is by far the biggest target for viruses and malware. But Android is second, with the largest threat from sideloaded apps — those you install outside Google’s Play Store. In the last quarter of 2018, Google said that at least 0.99 percent of apps installed outside the Play Store were potentially harmful apps or PHA. For those installed from the Play Store, the number drops to 0.042 percent. To stay safe, we do not recommend sideloading apps, but sometimes, like with Fortnite, you might want to. In that case, running virus and malware protection from a trusted security company is not a bad idea.
The threat to MacOS and especially iOS is low, in part because of the tight control Apple has over its app stores. While the Mac does rarely come under attack via sideloaded apps, if you download apps only from the Mac and iOS app stores and keep your guard up when clicking links and downloading files, you should be OK without an antivirus app on Apple devices.
Originally published earlier. Updated to clarify Norton pricing details and LifeLock service options and note removing the earlier Avast recommendation.
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