Read our full Sophos Home Premium review. A good paid antivirus suite is a digital-protection jackknife, often bundling in parental controls, identity theft protection, a password manager, backup software, cloud storage, a firewall, a system optimizer and software for Mac, Android and iOS as well as Windows. But what if you just want Windows antivirus software without all of those pricey extras?
And what if you can't afford to pay for antivirus software? One of the best free antivirus programs might be exactly what you need. Free antivirus software used to be a step down from the paid software and involved trade-offs. The protection wasn't as good and you'd either have to put up with ads filling your screen or with constant nags to upgrade to a paid program.
That's all changed. One of the best antivirus makers, Kaspersky, offers a free version with the same excellent malware protections as its paid offerings. Its top rival, Bitdefender Antivirus Free Edition, has been officially discontinued, although Tom's Guide readers can still download it with this link. A merger between the biggest names in free antivirus, Avast and AVG, created a combined malware-detection engine that's much better than the sum of its parts.
Meanwhile, Microsoft's built-in antivirus software, Windows Defender, aka Microsoft Defender Antivirus, has gone from being a joke to being one of the best antivirus programs out there, free or paid.
You can now get free antivirus protection that's as good as anything you pay for. So here are the best free antivirus programs based on their protection, system impact, ease of use and extra features. Kaspersky Security Cloud Free 2. Bitdefender Antivirus Free Edition 3. Windows Defender Antivirus 4. Avast Free Antivirus 5. Kaspersky Security Cloud Free Antivirus may be the best free antivirus program we've ever seen.
It has excellent malware protection, a decent set of extra functions and features, and a system-performance impact so small that our computer actually sped up after we installed the program. Bitdefender Antivirus Free Edition has been officially discontinued, and we're not sure how long Tom's Guide readers can still download it. It's the best "set it and forget it" free antivirus option.
It's now one of the best antivirus programs altogether. You don't have to install or download it — it's already on your PC. If you want an unlimited password manager or a hardened web browser, Avast Free Antivirus might be for you.
Its malware protection is much better than it once was, although its performance impact is fairly heavy. Avast's stepsister AVG has the same malware-detection engine, but lacks Avast's full slate of useful extra features.
But it does have a file shredder and system optimizer. We have to mention one program that's not antivirus software, but which we recommend anyway: Malwarebytes Free. While antivirus tries to stop malware from infecting your machine, Malwarebytes functions as the cleanup crew, sweeping out less-harmful adware or potentially unwanted programs that the antivirus software ignores.
It works well alongside any antivirus program. Kaspersky doesn't talk much about its free antivirus product, and you might have a hard time finding the free Kaspersky software download page on the company's website. 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 got a bright, comprehensible interface, a lot of customization potential and Kaspersky's unbeatable malware protection. The program also lets you schedule scans, and its performance impact was so small that it actually sped up our test machine a bit.
Kaspersky's useful extra features include a file shredder, an on-screen keyboard and an email scanner. The password manager and VPN service are fairly limited, however, unless you pay.
Read our full Kaspersky Security Cloud Free review. Bitdefender has officially discontinued Antivirus Free Edition, and it will be supported only until June 30, We still love it and you can still get it , but proceed at your own risk. Compared to premium paid antivirus programs that are big, heavy and loaded with extra bells and whistles, Bitdefender Antivirus Free Edition is like a '60's sports car, stripped to the essentials but still providing plenty of power.
Bitdefender Antivirus Free Edition offers nothing but the basics. There's no password manager, no gaming mode, no quick scans and no scan scheduling. You can manage the software from the program's System Tray icon, but you don't really need to interact with Bitdefender Antivirus Free Edition after its installation.
Yet Bitdefender Antivirus Free Edition has the excellent Bitdefender malware-detection engine, which sits just below Kaspersky and Norton in the lab-test rankings. 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.
Read our full Bitdefender Antivirus Free Edition review. 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. As for a password manager, there's a stealth one built into the Microsoft Authenticator app for Android and iOS that syncs with the Edge browser, as long as you're signed into your Microsoft account on all devices. 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.
Read our full Windows Defender review. 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. The program is also very customizable, letting you tweak its appearance and functions to suit your style.
It even offers limited access to Avast's VPN service. 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 significant of all, the malware protection in Avast Free Antivirus is a peg down from Kaspersky's or Bitdefender's, whose free programs also bothered us less about paid upgrades and had lighter system loads.
Read our full Avast Free Antivirus review. AVG shares a decent, if unspectacular, malware-detection engine with its corporate sibling Avast while having a much lighter system-performance impact. While the latter is almost a free security suite with lots of bells and whistles, AVG AntiVirus Free is the quiet, neglected child that gets the hand-me-downs.
The good news is that AVG's wide range of customization options and its file shredder and system optimizer are still available, and its interface is open and easy to use. Upgrading to the Internet Security or Prime plan adds further features like a full password manager, and the Pro version of Software Updater which provides automatic updates for your apps , plus Prime gives you the unlimited usage version of the VPN and mobile app support.
A real bargain. McAfee takes an interesting approach with its security range, as all the offerings are variants of its core Total Protection product, with the main difference being more devices are supported at higher tiers. McAfee Total Protection Single Device is the entry-level antivirus product, and as the name suggests, it covers one device.
There are also a ton of features on offer, particularly for a baseline product, and even if not all of them are of the highest quality, you get a lot for your money. That includes an intelligent firewall, an integrated TunnelBear -powered VPN with unlimited data, a quality spam filter, secure file vault, and some PC speed-up options.
The main stumbling block here is that the antivirus engine itself is not the best out there — although some results from independent test labs come out better than others — but this has to be something of a concern. Further up the Webroot range, SecureAnywhere Internet Security Plus expands coverage from Windows and Mac PCs to mobile devices, also providing a password manager courtesy of LastPass and covering up to five devices rather than three.
And at the top of the tree is Internet Security Complete which introduces an automatic backup tool with 25GB of secure cloud storage and additional online privacy features.
SecureAnywhere AntiVirus gives you everything you need, really, although Internet Security Plus is our top pick for the most rounded package. Sophos Home Premium covers up to an impressive 10 devices Windows and Mac computers. Sophos provides capable virus protection, and worked well in passing our own anti-ransomware tests. For the antivirus software on offer — and given the 10 device ceiling — Sophos Home Premium could work out as a great value proposition for those who want to protect multiple computers.
Just note that Sophos no longer offers a long-term free version to new users. You'll see on the website you can download it for free, but that's just a trial version rather than an all-singing all-dancing free antivirus package. We've tested all of the biggest names in internet security, we've found that the very best antivirus software in is Bitdefender. It's a superb bit of software - from its entry-level Bitdefender Antivirus Plus and its cast-iron malware defenses, excellent threat detection and genuinely value-adding extra features, right up to its all-singing, all-dancing Total Security that adds an array of maintenance tools and can be used to protect your family's computers, tablets and phones.
An antivirus app sits on your device like a guard dog, watching over the entire system and sniffing out any intruders malware , or indeed anything suspicious. In short, it offers real-time defenses against viruses or other threats, which if detected are immediately dealt with, preventing them from carrying out their destructive payload. As well as this automated protection, you can run manual virus scans whenever you wish.
Think of these as the fingerprints of malware, and if something is spotted coming onto your system that has a matching fingerprint, the antivirus leaps into action, quarantining the offender. For more details on this topic, see our full breakdown of exactly how antivirus software works. The obvious answer is staring you in the face Consult our rankings in this article, which is based on our expert knowledge and thorough, continually updated reviews of the top antivirus players.
That said, obviously you also have to bear in mind your own particular needs. Or at the other end of the scale, maybe you have a large family with a ton of devices to protect, and you need a package to cater for that. Or maybe you want a VPN service as well as antivirus, so a bundled package will save you a lot of money on subscription fees. In short, our recommendations are here as firm guidance, but modify these appropriately based on your individual requirements.
For more thoughts on this, check out our article exploring how to choose the best antivirus. The good news is that the best antivirus products are getting cheaper and cheaper to purchase, and free products are getting more and more effective A good free antivirus — like the ones we recommend on this page below — is a perfectly reasonable option for protecting your PC, with Microsoft Defender now the best we've ever seen it.
That said, premium antivirus programs offer extra features above and beyond the fundamentals. A robust system of parental controls could be a huge win for those with kids, for example. Or a dedicated anti-ransomware layer of protection that only comes with the paid-for product could help catch one of the most dreaded infections and halt it in its tracks.
For more on this, read our full piece on whether free antivirus is enough to protect you. Or just keep scrolling as we reveal today's best free antivirus software providers Paying for a premium service means you get more features like spam filters, parental controls, system scans and advanced firewalls. This makes them more suitable for power users, those who want a bit of extra security and anyone who needs their system to run as smoothly as possible.
It also means you avoid annoying pop-ups that try and tempt you to upgrade to the full version. In fact, these days you can get top quality protection absolutely free, with just about every single major vendor out there offering a free antivirus. Avira Free Antivirus is today's best free security download If you're determined to get free antivirus, we strongly suggest that you go for our pick of best security downloads - Avira Free Antivirus.
We've highlighted its long list of features below, together with information on how well it performs at independent testing labs. A very impressive freebie.
That's pretty good for a freebie, and why we have no qualms at all in naming it as our 1 best free antivirus download. As well as the essential security smarts, we also love the clean, friendly interface and the fact it has a track record of throwing up minimal false positives.
In fact, the list of features reads more like a fully paid premium package. It throws in identity protection, a password manager, anti-scam protection to prevent phishing attempts, and even a PC cleaner to keep your system spick and span. If there's one thing we'd change then it's the tad overeager badgering - although popups and advertisements are very common to free products, and that doesn;t prevent us from wholeheartedly recommending Avira Free Antivirus.
Review and where to download: Avira Free Antivirus. Avast and AVG haven't yet fully merged, despite the former formally acquiring the latter in mid The newly combined company says the two free antivirus products will remain separate, although there's apparently a joint AV package on the way soon.
Another well-established name in the cybersecurity space is AVG. And just like Avast, AVG maintains support for Windows 7 computers, despite Microsoft no longer offering security updates to that older operating system OS.
Avira is another long-time player in the antivirus game, with their antivirus product in development since And we've included its antivirus in our list of recommended security app options before. But Avast was in the news for several months for its non-antivirus business, so we looked at the company, specifically reports at the end of that Avast allegedly collected user data with its browser plug-ins and antivirus software and then sold data it collected through its Jumpshot subsidiary in early In response to the reports that his company gathered and sold the details of its customers' online activities, Avast CEO Ondrej Vlcek said in a statement that he understood that his company's actions raised questions of trust in his company.
To address that, Avast terminated Jumpshot data collection in January and closed its operations because the data collection business wasn't in line with Avast's privacy priorities. These newer reports follow another in from Avast that its internal network was breached , possibly to insert malware into its CCleaner software, similar to an earlier CCleaner hack that occurred prior to Avast's acquiring the Windows utility.
Avast is now saying the right things about taking its customers' privacy seriously , but it only came to that point after reacting to investigative reporting that revealed the Jumpshot practices. The CCleaner revelations, while concerning, were self-disclosed, which is important to building user trust.
We hope Avast's more privacy-friendly policies mean that there will be no further Jumpshot-style activities and it returns to glory as one of the best antivirus software. In the meantime, we'd recommend using one of the many other solid choices in this realm listed above. Because the company has been in the news the past few years, let's talk about Kaspersky Lab -- specifically about the federal ban that blocks US government agencies from using Kaspersky Antivirus products.
Based in Moscow, Kaspersky Lab has for years produced some of the best antivirus software for business antivirus needs and home customers. But in the US government prohibited Kaspersky security cloud software on federal government computers because of alleged ties between Kaspersky and the Russian government.
But as with 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 them as well? 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.
Kaspersky Lab maintains that no public evidence of any wrongdoing has been presented by the US government, and that the US government's actions against Kaspersky Lab were unconstitutional. In Kaspersky's favor, it continues to earn top scores and awards for virus and malware detection and endpoint protection from independent testing labs.
And it's reasonably priced. 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'll want to steer clear of Kaspersky internet security products -- and perhaps use one of the antivirus software products mentioned here instead.
Picking the best antivirus software for Windows means finding one that keeps your PC safe, doesn't take up a lot of system resources, is easy to use and stays out of the way till you need it. Here's what to look for. Antivirus software runs virus scans for known viruses and malware, of course, and 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 be a sign of new and not-yet-identified viruses and malware. You want antivirus software that can successfully identify these unknown online threats without flagging too many false positives.
Light on system resources. You don't want antivirus software that taxes your PC's resources. If after you install the program, 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 installation, you may want to keep looking.
Cost and discounts. Don't just pay the sticker price for antivirus protection. Before you buy, check for discounts on a company's website.
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