We Tested 10 Best Antivirus Software for 2026

In its Q1 report, Kaspersky blocked 343+ million attacks targeted to over 260,000 users. Choosing the best antivirus software can help protect your devices from malware, ransomware, phishing, and other online threats. We’ve tested, compared, and compiled 10 leading options based on their performance, protection, and ease of use to aid your decision-making.

The best antivirus software in 2026 includes Bitdefender, Norton 360, McAfee+ Premium, Malwarebytes, ESET NOD32, Avast, Microsoft Defender, Intego ONE, Surfshark Antivirus and TotalAV.

Bitdefender is our overall pick for its combination of strong malware protection, low system impact, useful privacy tools, and broad platform support.

Microsoft Defender remains a capable free option for Windows users, while Avast gives people who want third-party software a broader free security package.

Mac users have strong built-in protection from Apple, but Intego ONE adds dedicated malware, firewall, phishing, virtual private network (VPN), and performance tools.

Antivirus works best as part of a broader security routine that includes keeping software updated, using strong and unique passwords, enabling multi-factor authentication, and staying alert to phishing attempts and suspicious links.

Cybersecurity threats are getting harder to ignore, with Verizon’s 2026 Data Breach Investigations Report finding that 48% of breaches now involve ransomware , while 31% begin with software vulnerabilities. We tested the leading antivirus programs to see how well they handle malware, phishing, ransomware, system performance, and everyday use.

Top Antivirus Software: Quick Picks

Best antivirus software overall is Bitdefender

Best all-in-one antivirus suite is Norton 360

Best antivirus software for families is McAfee+ Premium

Best antivirus software for simple malware protection is Malwarebytes

Best antivirus for advanced users is ESET NOD32

Best free third-party antivirus is Avast

Best built-in antivirus for Windows is Microsoft Defender

Best antivirus software for Mac is Intego ONE

Best antivirus with a VPN bundle is Surfshark Antivirus

Best antivirus softw are for beginners is TotalAV

Best Antivirus Software: Quick Comparison

The 10 Best Antivirus Software in 2026

Every product below went through the same routine. We installed it, ran scans, browsed risky corners of the web, and lived with it for a while. Then we compared what we saw against 2026 data from AV-TEST and AV-Comparatives, the two independent testing labs we trust most..

Bitdefender is our overall pick for the best antivirus software in 2026. Its real-time antivirus protection blocks viruses, trojans, spyware, ransomware, and other threats, while Advanced Threat Defense monitors suspicious behavior to catch zero-day attacks . We found the interface relatively straightforward, with the main protection controls easy to reach without digging through technical menus. Bitdefender also includes a phishing detection test, ransomware remediation, and a firewall on supported platforms.

Its extra tools make it more than a basic malware scanner. On Windows, Bitdefender adds cryptomining protection and system optimization tools , while higher-tier plans include privacy features such as a VPN and password manager.

AV-TEST gave Bitdefender Total Security a full 6/6/6 score for protection, performance and usability in its June 2026 Windows 11 test. AV-Comparatives’ March 2026 malware test recorded a 99.94% online protection rate and four false alarms .

Bitdefender works particularly well for someone who wants strong protection without having to constantly adjust settings. Advanced users may prefer ESET’s deeper controls, while families looking for identity monitoring and broader household features may lean toward McAfee.

Norton 360 takes a broader approach to antivirus protection , combining malware security with privacy, identity, and online safety tools. Alongside protection against viruses and ransomware, you get a VPN, password manager, Dark Web Monitoring, parental controls, and cloud backup . We found the package particularly useful for households that want several security tools under one subscription. Norton 360 Deluxe also supports up to 10 laptops , Macs, smartphones , or tablets , making it easier to protect mixed-device households.

Its Smart Firewall monitors network communications, while SafeCam helps prevent unauthorized access to your webcam on supported PCs. Norton has also added Scam Protection , which uses AI-based technology to identify potential scams across websites, messages, and other digital content.

Norton also performs strongly in independent testing. AV-TEST gave Norton 360 a perfect 6/6/6 score in its June 2026 Windows 11 evaluation. AV-Comparatives’ March 2026 malware test recorded a 99.97% protection rate with nine false alarms, placing it in the top protection cluster.

Like most antivirus tools, the main thing to watch is the renewal price. Norton frequently uses introductory discounts, with its current Deluxe offer advertised at $49.99 for the starting year and a higher renewal price.

McAfee+ Premium is designed around households with several people and devices. Its current Premium Family offering supports up to six family members , including two adults and four children, with antivirus coverage for uncapped devices.

That device coverage is the biggest reason we’d choose McAfee for a family. You don’t have to count every laptop, phone, or tablet before deciding if the plan still works for your household.

McAfee also goes beyond malware protection. Depending on the plan and region, features include scam protection, a secure VPN, identity monitoring, personal data cleanup, online account cleanup, and credit monitoring .

Protection results are strong too. AV-TEST gave McAfee Total Protection full marks across protection, performance and usability in April 2026. AV-Comparatives recorded a 99.97% online protection rate in its March malware test, although it also registered 14 false alarms.

Malwarebytes takes a more focused approach to antivirus protection , concentrating on malware detection, real-time security, and dangerous websites. Its paid protection blocks viruses, ransomware, spyware, phishing attempts, and other threats while you browse, download files, or install applications. We found the interface easy to understand, with the main scan and protection controls clearly presented instead of being buried under a long list of security tools.

The difference comes in between the free and paid versions. Malwarebytes Free is primarily a manual scanning and cleanup tool , while the paid version adds real-time protection that continuously monitors your device. Web Protection also blocks malicious websites and phishing attempts on supported platforms. Malwarebytes scored 5.5/6 for protection and 6/6 for performance and usability in AV-TEST’s latest Windows 11 consumer assessment.

For anyone who wants direct malware protection without paying for a huge security suite, Malwarebytes keeps things relatively simple. It supports Windows, macOS, Android, and iOS, although the available features differ between platforms.

ESET NOD32 Antivirus is built around lightweight, real-time protection for Windows and macOS. It protects against viruses, ransomware, spyware, and other malware while also providing anti-phishing protection for websites attempting to steal passwords, banking information, or other sensitive data.

Performance is one of ESET’s major selling points. The software includes fast scanning, a small system footprint, battery-saving mode, and Gamer Mode , which reduces interruptions while you’re playing games or using full-screen applications. ESET also uses AI-powered threat detection alongside machine learning and other detection techniques to identify emerging threats.

Users who regularly bank or shop online can also use its protected browser environment for additional security during transactions. ESET keeps the basic NOD32 package relatively focused, while its broader ESET Security plans add features such as firewall protection, ransomware safeguards, parental controls, network inspection, and other privacy tools. We found this separation makes it easier to choose how much security you actually need.

Avast Free Antivirus remains one of the more accessible ways to get third-party antivirus protection without paying for a subscription . Its free protection covers viruses, malware, phishing, and other common threats, with several scanning options available through Avast One. Users can run a Smart Scan, perform a full system scan, target specific folders, or use a boot-time scan for threats that can be difficult to detect after Windows starts.

The boot-time scanner is particularly useful when you suspect malware has embedded itself deeply enough to evade a conventional scan. Avast also provides a simple upgrade path to Premium Security, which adds paid security features on top of the free protection.

From our perspective, Avast makes the most sense for users who want a recognizable third-party security product without immediately committing to a paid suite . It also offers more control over scanning than you get from simply leaving an antivirus running in the background. Users who need a VPN, identity monitoring, or broader privacy tools will need to look at Avast’s paid offerings.

7. Microsoft Defender

Windows 11 users already have Microsoft Defender built into the operating system . You don’t need to download another antivirus program for basic protection. Windows Security brings Defender Antivirus together with Windows Firewall, Smart App Control, and other security controls, giving you real-time protection from the moment the computer starts. We like the simplicity here, especially for users who don’t want another subscription or security dashboard to manage.

SmartScreen adds protection while browsing by checking websites and downloads for potential threats, while features such as Controlled Folder Access and Exploit Protection provide additional safeguards. We also found Defender earned 6/6/6 for protection, performance, and usability in AV-TEST’s latest Windows 11 consumer assessment.

Microsoft also offers a separate Defender app through Microsoft 365 that extends protection to Mac, iOS, and Android. Users who want a VPN, password manager, extensive parental controls, or identity monitoring may still prefer a dedicated security suite.

Intego ONE takes a Mac-first approach to security , making it particularly suited to users who want antivirus software designed around macOS. Its real-time protection monitors files and processes as they appear, blocking viruses, ransomware, spyware, and other threats before they can run. We also found several scanning options, including quick, targeted, custom, and scheduled antivirus scans , so you can check specific areas without always running a full system scan.

The package also goes beyond antivirus protection. Intego Firewall lets you see which applications are connecting online and decide which connections to allow or block. SmartClean removes junk files and leftover application data while monitoring CPU, memory, and disk usage.

Intego ONE also includes a VPN for encrypting traffic and hiding your IP address. That combination makes it more than a conventional Mac antivirus. From our perspective, Intego ONE is particularly interesting for Mac owners who want security, privacy, and system-cleanup tools in one application .

9. Surfshark Antivirus

Surfshark Antivirus combines traditional malware protection with Surfshark’s wider privacy ecosystem , making it an interesting option for users who also want a VPN. The antivirus provides real-time protection, on-demand and scheduled scans, quarantine tools, web protection, and defenses against emerging threats. It currently supports Windows 10 and later, Windows on ARM, Android, and macOS 12 or later.

Its more advanced protection includes cloud scanning, heuristic detection, behavioral scans, and anti-tamper protection . Windows users also get additional defenses against threats such as fileless malware and boot-sector attacks.

The bigger attraction comes from combining antivirus with Surfshark’s other privacy tools . CleanWeb can block ads, trackers, malware, and phishing attempts, while the VPN handles encrypted internet traffic.

Surfshark suits users who would otherwise pay separately for antivirus and VPN services. It is less compelling if you already have a preferred antivirus and VPN setup, particularly if you only need basic malware protection.

TotalAV combines real-time antivirus protection with web security, privacy tools, and multi-platform support . It works across Windows, macOS, Android, and iOS, with real-time scanning designed to check downloads, installations, and executable files as they’re accessed. Its cloud scanning technology also helps identify newer and unknown threats.

WebShield adds another layer while browsing by blocking fake, scam, phishing, and spoofed websites. TotalAV also offers data-breach monitoring , which can alert you when your email appears in known breach data. Higher-tier plans add antivirus tools such as a VPN and Total Adblock for blocking intrusive advertising and trackers.

The software is designed to keep the main security functions relatively simple, making it accessible to people who don’t want to spend time configuring an antivirus. Automatic and scheduled scanning also reduce the need to remember regular security checks. TotalAV is particularly useful for users who want antivirus, safer browsing, and privacy features packaged into one cross-platform service.

How We Chose the Best Antivirus Software

Lab data carried the most weight in our scoring, since no test bench can match 10,000-sample malware sets . We layered our own hands-on experience on top and judged each product on eight points.

Malware and Zero-Day Protection

Protection against malware is where every antivirus has to earn its place. We looked at how well each product handles common threats such as viruses, trojans, spyware, and ransomware, while also considering its ability to recognize newer threats it hasn’t encountered before.

Zero-day protection matters here since attackers can move quickly after a vulnerability appears. Independent lab results gave us another useful reference point, particularly when comparing products that appeared similar during everyday use.

A security program that flags every unfamiliar file can become frustrating very quickly. We paid attention to how often each antivirus interrupted normal activity with warnings and whether those alerts appeared justified. Legitimate applications, downloads and websites shouldn’t constantly look suspicious.

False positives also helped us distinguish between software that provides useful warnings and software that creates unnecessary noise. A good antivirus should make it easier to spot genuine problems, not leave you second-guessing routine files.

System Performance Impact

Antivirus software works in the background, so its effect on everyday performance matters almost as much as its detection ability. We looked at what happened during scans and routine protection while opening applications, moving files, and carrying out normal tasks. Resource usage became more noticeable on older laptops or machines with limited memory. Scan controls also mattered. We considered whether you can schedule intensive scans, pause them when needed, and keep working without major interruptions.

Phishing and Web Protection

Many attacks never need to install traditional malware. A convincing fake login page can be enough to steal a password or payment details. We therefore looked closely at browser protection, malicious links, and warnings that appear before you reach a potentially dangerous website. Good web protection should give you a clear warning at the right moment without turning ordinary browsing into a stream of interruptions.

An antivirus can have an impressive collection of security features and still be difficult to live with. We considered the entire experience from installation onward, including the initial setup, dashboard, scan controls, and security notifications . Beginners should be able to maintain basic protection without digging through complicated settings, while more experienced users should still have enough control to adjust how the software behaves.

Platform and Device Coverage

Your antivirus needs to match the devices you use. We checked support across Windows, macOS, Android, and iOS where available, along with the number of devices included in each plan. Device limits can make a seemingly inexpensive subscription less attractive for households with several computers and phones.

We also looked at how consistent the experience is across platforms. Some security suites offer their full feature set on Windows while providing a much smaller selection of tools on other devices.

Useful Security Extras

We looked at additions such as VPNs, password managers, parental controls, identity monitoring, ransomware protection, and secure browsing . A bundled VPN, for example, can be useful for someone who would otherwise pay for a separate service. A feature-heavy package can also become unnecessarily complicated if you only need basic malware protection. Our focus was on which extras improve the package for the type of user it targets.

Pricing and Renewal Costs

The price you see when signing up doesn’t always tell you what the software will cost over several years. We compared introductory prices with renewal rates, device limits, and the features included at each subscription level . Free versions got separate consideration since they can make sense for users who need basic protection. Paid plans also had to justify their higher cost through broader coverage or genuinely useful security tools. That difference matters when an inexpensive first year turns into a much larger renewal bill.

How to Read Antivirus Lab Test Results

Antivirus lab reports can look intimidating at first. Once you know what the numbers are, they become one of the most useful tools for comparing security software.

These measure how well the software identifies and blocks malicious files, websites, or attacks in a controlled test environment. AV-TEST awards up to 6 points each for protection, performance, and usability, for a maximum of 18. Ten points earns a seal of approval, and 17.5 or higher earns the Top Product award.

Of the 16 Windows products tested in June 2026, eight scored a perfect 18 and 12 reached Top Product. AV-Comparatives runs a separate scale and reserves its Advanced+ award for the best performers, which is why we tracked both.

A false positive happens when security software flags a harmless file, site, or installer . One or two won’t hurt, but dozens turn daily use into a chore. Malwarebytes logged 20 in AV-Comparatives’ February and March real-world round. In the longer February to May run, reported figures show Defender at zero while Bitdefender, Norton, Avast, and TotalAV each recorded five.

Performance tests measure how much a product slows things like file copying, antivirus apps installs, and web browsing . AV-TEST scores it out of 6, and Surfshark’s 4.5 in June was the lowest among our ten. AV-Comparatives’ April test on a low-end Core i3 PC with 8 GB of RAM matters most if you own older hardware, since fast machines hide the differences.

Real-World vs. Malware Protection Tests

Real-world protection testing looks at threats encountered through everyday online activity , such as malicious websites and downloads. Malware protection tests expose antivirus engines to malware samples and examine how effectively they detect them.

We consider both useful. A product needs to perform well against malware samples and the messy threats users actually encounter while browsing.

How to Choose the Best Antivirus Software

Start with the device you’re protecting. Windows users have Microsoft Defender already available, while Mac users have Apple’s built-in security tools. A third-party product becomes more useful when you want broader protection, centralized management, or extras such as a VPN, parental controls, or identity monitoring.

For Windows PCs , look at Bitdefender, Norton, ESET, Avast, and Microsoft Defender for comprehensive protection. Older machines should prioritize low system impact, while gaming PCs benefit from products with gaming modes and efficient background scanning.

For Macs , consider how you use the machine before paying for antivirus. A careful user who keeps macOS updated and downloads software from trusted sources may be fine with Apple’s built-in protections. Someone handling sensitive files, downloading software from varied sources or managing several family devices may benefit from third-party protection.

For families , device limits matter. McAfee+ Premium stands out for households with several people and unlimited device coverage, while Norton adds parental controls and cloud backup to its security package.

For older or slower PCs , prioritize lightweight software. ESET’s small system footprint and Gamer Mode make it worth considering. Microsoft Defender has the advantage of being integrated directly into Windows.

For free protection , start with Microsoft Defender or Avast. Defender needs no additional installation on Windows, while Avast gives users a dedicated third-party security application with free antivirus and additional scam and web protection features.

For users who want a VPN , Surfshark One is worth considering if antivirus and VPN protection in one subscription appeals to you. Bitdefender also offers VPN access , although its standard Total Security plan limits daily usage.

Antivirus vs. Internet Security Suite: What’s the Difference?

A pure antivirus finds and removes malware . An internet security suite bundles that engine with extras like a firewall, password manager, VPN, parental controls, data backup , and identity monitoring.

You’ll see the split in the product names. Bitdefender sells Antivirus Plus for basic protection and Total Security for the full bundle . Norton offers AntiVirus Plus and the 360 tiers. The engine underneath is often identical, so the higher price buys tools around it.

Suites make sense when you juggle several devices, want parental controls, or would use the extras daily. A single Windows PC belonging to a careful adult rarely needs more than Defender or a lean antivirus.

Bundled VPNs deserve some skepticism, too. Norton and McAfee give you unlimited ones, while Bitdefender’s basic tier stops at 200 MB a day. If privacy is your main goal, a dedicated VPN will serve you better.

Do You Still Need Antivirus Software in 2026?

Yes, though what you need depends on your setup . Windows PCs always need an active antivirus, and Defender counts. You’d have it running even if you never installed anything.

Macs sit in a gray zone. Apple’s built-in XProtect and Gatekeeper catch a lot , and careful users can lean on them. Threats keep growing anyway, and a Surfshark analysis of detections between January and July 2026 found macOS accounted for 8% of malware detections while representing 34% of its user base. Infostealers that grab passwords and crypto wallets drive much of that.

The bigger danger for many people isn’t a classic virus. The FBI’s 2025 report logged more than 22,000 complaints referencing AI , with adjusted losses above $893 million , and phishing remained the most reported crime type. Antivirus with web protection blocks some of those pages, but it can’t stop you from sending money to a convincing stranger.

Based on experience, antivirus can’t solve every security problem. It won’t stop you from handing your password to a scammer, and it can’t make an unsupported operating system safe. Good antivirus works best alongside software updates, strong passwords, multi-factor authentication, and careful browsing habits .

Bitdefender is our overall pick for the best antivirus software in 2026. It matched the best lab scores on Windows and Mac, stayed light on resources, and cost less than most rivals in year one.

Norton 360 is the better fit for people who want an all-in-one security package . McAfee makes more sense for larger households, while Malwarebytes keeps things simple for users who mainly want straightforward malware and web protection.

ESET is our choice for advanced users who want more control and a lightweight experience. Avast provides a capable free third-party option, while Microsoft Defender remains a strong no-cost choice for Windows users who don’t need a separate security subscription.

Mac users are well protected with Apple’s built-in protections, but Intego ONE provides a dedicated Mac-focused layer with antivirus, firewall, VPN and performance features. Surfshark stands out for anyone who wants antivirus bundled with a VPN, while TotalAV’s simple interface makes it approachable for beginners.

What’s the best antivirus software?

Bitdefender is our pick for the best antivirus software in 2026 . It combines strong independent-test results with malware, ransomware, phishing and scam protection, plus support for Windows, Mac, Android and iOS.

What’s the best free antivirus software?

Microsoft Defender is the best free antivirus program for most Windows users who want protection without installing another program. Avast is a strong third-party alternative with free real-time antivirus, web protection and scam-related features across Windows and other platforms.

Does antivirus slow down your computer?

Sometimes, yes, though the effect varies a lot by product . AV-TEST scores performance out of 6, and Bitdefender and Norton earned full marks in June while Surfshark got 4.5. Older PCs feel the difference most, so ESET or Bitdefender make safer choices on slower hardware.

Do Macs need antivirus software?

Not every Mac needs third-party antivirus . macOS includes XProtect, Gatekeeper and other built-in protections that provide a strong baseline. Additional antivirus can make sense for people who download unfamiliar software, handle sensitive information, files with Windows users or want stronger phishing and web protection.

Does Windows 11 need antivirus software?

Not really. Windows 11 already includes Microsoft Defender Antivirus, SmartScreen, firewall protection, and other security features . Microsoft Defender provides real-time, behavior-based and cloud-delivered protection, so users don’t necessarily need to pay for another antivirus program.

Can antivirus stop ransomware?

Good antivirus can block many ransomware strains and flag suspicious file-encrypting behavior . Some tools add extra guards, like Defender’s Controlled Folder Access or Bitdefender’s ransomware remediation. No product offers a guarantee, though, and the FBI tracked 63 new ransomware variants in 2025, so keep offline backups too.

Can you run two antivirus programs at the same time?

You shouldn’t run two real-time antivirus engines together, since they can conflict and slow your system. Windows usually sidelines Defender automatically when you install a third-party product. On-demand scanners like the free Malwarebytes version are the exception, because they only scan when you ask.

Josephine Abiodun is a tech writer covering crypto, AI, blockchain, and digital innovation. She writes emerging technologies, crypto trends, digital assets, and the changing role of AI in business and everyday life. Her work focuses on making complex topics easy to follow through clear, engaging, and well-researched content designed for modern tech audiences.