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Bitdefender and AVG are effectively tied for tested Windows protection in 2026, but they are not equivalent products. AV-TEST’s August 2026 Windows 11 results gave AVG Antivirus Free 26.6/26.7 and Bitdefender Total Security 27.0 perfect 6/6/6 scores for protection, performance and usability. Your practical decision therefore comes down to tier: AVG Free supplies broad core protection at no cost, Bitdefender Free is a basic Windows antivirus, and paid plans add controls such as ransomware defenses, network checks, privacy tools and multi-device coverage. Compare the exact product, supported devices and renewal price—not just the brand name or first-year discount.

Is Bitdefender better than AVG in 2026?

Neither is the clear protection winner in the latest independent Windows test. The better choice depends on whether you want a free antivirus, a paid security suite, or a bundle that includes a VPN and performance utilities.

  • Choose AVG Antivirus Free if you need no-cost, real-time protection against malware, phishing, unsafe links, risky downloads and malicious email attachments.
  • Choose Bitdefender Free if you want a basic free Windows antivirus and are comfortable treating its Premium VPN as a separate optional upgrade.
  • Choose AVG Internet Security when you want the free features plus premium protections and a US listing for up to 10 devices.
  • Choose AVG Ultimate when you also want Secure VPN and TuneUp included for 10 devices.
  • Choose Bitdefender Total Security when you want Bitdefender’s paid, multi-device product and its subscription-management tools rather than a free-only installation.

Use the product name in your purchase decision. “AVG” and “Bitdefender” each cover several tiers whose features, operating-system support and device allowances differ.

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What did independent testing show?

AV-TEST’s August 2026 Windows 11 evaluation awarded both the free AVG entries and paid Bitdefender entry the maximum 18 points. The scores cover three categories worth six points each, so a tie indicates equivalent results in that particular test—not identical features or identical protection in every situation.

#1 Best Overall
Bitdefender Total Security 2026 – Complete Antivirus and Internet Security Suite – 5 Devices | 1 Year Subscription | PC/Mac | Activation Code by Mail
  • SPEED-OPTIMIZED, CROSS-PLATFORM PROTECTION: World-class antivirus security and cyber protection for Windows (Windows 7 with Service Pack 1, Windows 8, Windows 8.1, Windows 10, and Windows 11), Mac OS (Yosemite 10.10 or later), iOS (11.2 or later), and Android (5.0 or later). Organize and keep your digital life safe from hackers
  • SAFE ONLINE BANKING: A unique, dedicated browser secures your online transactions; Our Total Security product also includes 200MB per day of our new and improved Bitdefender VPN
  • ADVANCED THREAT DEFENSE: Real-Time Data Protection, Multi-Layer Malware and Ransomware Protection, Social Network Protection, Game/Movie/Work Modes, Microphone Monitor, Webcam Protection, Anti-Tracker, Phishing, Fraud, and Spam Protection, File Shredder, Parental Controls, and more
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Product and version tested Protection Performance Usability Total
AVG Antivirus Free 26.6 6/6 6/6 6/6 18/18
AVG Antivirus Free 26.7 6/6 6/6 6/6 18/18
Bitdefender Total Security 27.0 6/6 6/6 6/6 18/18

AV-TEST says products scoring at least 17.5 points receive its “TOP PRODUCT” award. All three entries reached that threshold. The result is a useful baseline for Windows 11 buyers, but it does not test AVG Internet Security, AVG Ultimate or Bitdefender Free as interchangeable products.

AV-Comparatives’ April 2026 performance report adds an important qualification: its findings apply only to the specific versions listed in that report. It also notes that vendors provide different features, and different numbers of features, in their products. A score should therefore be read together with the tested version and the feature set you will actually install.

What does AVG Antivirus Free include?

AVG’s free tier is a substantial core antivirus rather than a time-limited trial. AVG describes it as stopping viruses, spyware and other malware; blocking unsafe links, downloads and email attachments; and receiving real-time security updates.

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Protection included at no cost

  • Real-time malware monitoring.
  • Detection of viruses, spyware and other malware.
  • Phishing and unsafe-link blocking.
  • Checks for downloads and email attachments that could be dangerous.
  • Real-time updates to security detections.

Those controls cover the common ways a home user encounters malware: opening a file, clicking a link or receiving an attachment. They do not make every paid privacy, network or performance feature available; AVG positions Internet Security as the upgrade that adds premium protections.

Who should use AVG Free?

It fits a Windows user who wants continuous baseline protection without a subscription and who is willing to decide separately whether extra privacy or network controls are necessary. Keep the operating system and browser patched, because antivirus cannot compensate for unsupported software or reused passwords.

What does Bitdefender Free include?

Bitdefender Free is presented as a free Windows antivirus built on the company’s core technologies. Its Premium VPN is an optional upgrade, not an automatic part of the free antivirus entitlement.

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  • REAL-TIME PROTECTION Advanced security protects against existing and emerging malware threats, including ransomware and viruses, and it won’t slow down your device performance.
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Where the free products differ

Both free tiers address malware and unsafe web activity, but their published descriptions emphasize different boundaries. AVG explicitly lists phishing, unsafe links, downloads, attachments and real-time updates. Bitdefender’s free positioning is narrower: a basic Windows product with optional VPN enhancement. Do not assume that a feature advertised for Bitdefender Total Security or another paid plan is included in Bitdefender Free.

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Who should use Bitdefender Free?

It is a sensible starting point for someone who wants a no-cost Windows antivirus and may later add a privacy service. Check the installer’s current system requirements and offer screens, and decline optional upgrades if you only want the free protection.

What do the paid AVG plans add?

AVG Internet Security includes all of the features in AVG AntiVirus Free, then adds premium protections. AVG’s US store lists Wi-Fi verification, unsafe-site and phishing protection, and coverage for 10 devices for this plan.

AVG Internet Security

  • Everything in AVG AntiVirus Free.
  • Premium protection controls described by AVG for its paid tier.
  • Wi-Fi verification to help identify risks on a network.
  • Unsafe-site and phishing protection in the paid product listing.
  • One US store entitlement covering up to 10 devices.

The 10-device allowance is the US-store listing cited here; availability, pricing and device terms can vary by country and storefront. Confirm the checkout page for your region before paying.

AVG Ultimate

AVG Ultimate is a bundle rather than simply a higher malware-detection setting. The US store combines Internet Security, Secure VPN and TuneUp for up to 10 devices. It is most relevant if you would otherwise pay separately for a VPN and a PC-maintenance utility; it is unnecessary if you only want antivirus protection.

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What is Bitdefender Total Security?

Bitdefender Total Security is the paid product represented in AV-TEST’s August 2026 comparison. Bitdefender’s plan information describes subscription pricing and renewal notifications, and positions the product for broader protection and multi-device use than its free Windows offering.

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  • ADVANCED SCAM PROTECTION Help spot hidden scams online. With the built-in Genie AI assistant, you’ll never wonder if a message or email is suspicious again.
  • REAL-TIME PROTECTION Advanced security protects against existing and emerging malware threats, including ransomware and viruses, and it won’t slow down your device performance.
  • DARK WEB MONITORING Identity thieves can buy or sell your information on websites and forums. We search the dark web and notify you should your information be found.

The exact device count, operating-system eligibility and included extras depend on the plan displayed for your country and term. Read the plan card and checkout details rather than inferring them from the Total Security name. A paid Bitdefender subscription also does not turn Bitdefender Free into a separate product; install the edition named in your account.

How do the feature boundaries compare?

Capability AVG Antivirus Free Bitdefender Free AVG Internet Security AVG Ultimate Bitdefender Total Security
Core malware protection Yes Yes, Windows free product Yes, includes free features Yes, through Internet Security Yes, paid product
Phishing and unsafe-link/site controls Yes, listed by AVG Not fully itemized in the cited free-product description Yes, listed by AVG Yes, through Internet Security Feature set depends on the current plan
Download and attachment checks Yes, listed by AVG Not stated in the cited free-product description Includes free features Includes free features Feature set depends on the current plan
Real-time updates Yes Core free antivirus technology Includes free features Includes free features Paid subscription product
Wi-Fi verification Not stated Not stated Yes, US listing Yes, through Internet Security Not stated in the supplied plan notes
VPN Not included in the cited free description Premium VPN is optional Not included in the cited plan description Secure VPN included Not stated as a bundle component in the supplied notes
Performance utility Not stated Not stated Not stated TuneUp included Not stated
Device allowance Not stated Not stated 10 devices on the US listing 10 devices on the US listing Check the selected regional plan

“Not stated” means the cited product notes do not establish that inclusion; it is not proof that a feature can never exist in another edition or region. This distinction prevents a free-versus-paid comparison from quietly mixing features from different versions.

Which plan is best for ransomware, phishing and network risks?

For phishing and unsafe links, AVG Free already advertises the controls many home users need. Paying AVG makes sense when Wi-Fi verification and the additional premium protection layer matter, especially across several devices.

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Ransomware and file protection

The supplied product notes do not provide a version-specific ransomware feature list for every tier. Treat “paid” as a broader feature set, not as evidence that one named product blocks every ransomware technique. Keep protected files backed up offline or in a versioned cloud service, and test recovery before an incident.

Unsafe sites and phishing

AVG explicitly lists unsafe-link and phishing blocking in its free description and again in the Internet Security listing. Bitdefender’s free description does not itemize the same controls, so verify the current feature screen if those protections are your deciding requirement.

Public Wi-Fi

AVG Internet Security’s US listing includes Wi-Fi verification. That can help you assess a network before using it, but it is not a substitute for encrypted websites, a strong device firewall and caution on shared networks.

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How much do AVG plans cost, and why does renewal matter?

AVG’s 2026 US store displayed a first-year price of $59.88 for Internet Security and a renewal price of $99.99. AVG Ultimate displayed $59.88 for the first year and $149.99 at renewal. These are store figures for the United States and may change; the renewal amount is the recurring price shown after the introductory term.

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AVG plan (US store, 2026) First year shown Renewal shown Devices Bundle
Internet Security $59.88 $99.99 10 Internet Security features
Ultimate $59.88 $149.99 10 Internet Security, Secure VPN and TuneUp

Bitdefender explains its discounts by comparing first-term and renewal pricing and provides renewal notifications. Before subscribing, record the end date, recurring amount, device count and cancellation method. A low introductory price is not the same as a low long-term cost.

How to compare total cost

  1. Write down the displayed first-term price and the exact term length.
  2. Find the renewal price before entering payment details.
  3. Divide each amount by the number of covered devices you will actually use.
  4. Value only bundles you would otherwise purchase; do not pay for a VPN or TuneUp you will not use.
  5. Save the confirmation email and set a calendar reminder before renewal.

Which operating systems and devices are covered?

Bitdefender Free is specifically described as a Windows free antivirus. The cited AV-TEST comparison is also a Windows 11 test. AVG Free’s description establishes its protection functions but does not, in the supplied notes, establish a universal device or operating-system entitlement.

AVG Internet Security and Ultimate each show 10-device coverage in the US store. Bitdefender Total Security is described as a multi-device paid product, but the supplied plan notes do not establish one universal device number. Verify whether your subscription covers Windows, macOS, Android or iOS before installing on a second platform; a Windows test result cannot be transferred automatically to another operating system.

Will either antivirus slow down your computer?

AV-TEST awarded both AVG Antivirus Free and Bitdefender Total Security 6/6 for performance in August 2026, so neither showed a performance deficit in that Windows 11 test. AV-Comparatives cautions that performance findings apply only to listed versions, which matters when an application updates between reports.

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Your experience can still differ with an older CPU, a hard disk, a large development tree, virtual machines or aggressive scheduled scans. Install one real-time antivirus at a time; overlapping engines can increase resource use and create conflicts.

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How do you install the right edition?

Use the vendor’s official download page for the exact product you selected, then confirm the edition name after installation. The following sequence avoids accidentally starting a trial or installing a paid bundle when you intended a free product.

  1. Uninstall or disable any other real-time antivirus only after you have its recovery code or subscription details.
  2. Download the installer labeled AVG Antivirus Free, AVG Internet Security, AVG Ultimate, Bitdefender Free or Bitdefender Total Security—whichever you purchased or chose.
  3. Run the installer with an administrator account and read each optional-offer screen.
  4. Choose the free path when offered if you do not want a subscription; do not enter payment details for a free installation.
  5. Sign in only with the account that owns the paid license, then check the displayed device count and expiry date.
  6. Allow the initial update and complete a full scan after setup.
  7. Open the product’s subscription or account page and record renewal settings before closing the installer.

How do you switch from free AVG or Bitdefender to a paid plan?

Buy the paid edition first, then activate it through the account or license flow shown by the application. Do not install two real-time engines and leave both active while testing them.

  1. Back up important files and note browser extensions or custom firewall rules.
  2. Check whether the paid installer can upgrade the existing free edition; use that path when offered.
  3. If a clean installation is required, remove the free edition, restart, and install the paid product immediately.
  4. Confirm that premium protections are marked active rather than merely advertised in an upgrade panel.
  5. On additional devices, sign in to the same subscription account and verify that each device consumes one of the allowed seats.

What common mistakes should you avoid?

  • Comparing unlike tiers: AV-TEST’s paid Bitdefender entry was compared with AVG Free entries. That does not establish a universal winner between Bitdefender Free and AVG Internet Security.
  • Reading a first-year discount as the normal price: AVG’s displayed renewal prices were higher than its first-year price.
  • Assuming every platform is covered: Bitdefender Free is a Windows product, while device and operating-system terms vary by plan.
  • Expecting a VPN in every edition: Bitdefender lists Premium VPN as an optional upgrade for its free product; AVG Secure VPN is part of the Ultimate bundle in the cited US listing.
  • Running two real-time scanners: overlapping protection can cause conflicts and unnecessary disk activity.
  • Ignoring version dates: independent scores describe the tested builds, not every future update.
  • Relying on antivirus as a backup: detection cannot restore encrypted or deleted files without a separate recovery copy.

How should you decide between Bitdefender and AVG?

Pick AVG Antivirus Free when…

  • You want a free product with explicitly listed phishing, unsafe-link, download and attachment blocking.
  • You need real-time updates and malware protection without a subscription.
  • You do not need a bundled VPN, TuneUp or Wi-Fi verification.

Pick Bitdefender Free when…

  • You want a basic free Windows antivirus based on Bitdefender’s core technologies.
  • You prefer the option to add Premium VPN separately rather than buying a bundle.
  • You are comfortable checking the current installer for the exact included controls.

Pick AVG Internet Security when…

  • You want AVG’s free feature set plus premium protections.
  • Wi-Fi verification and the US-listed 10-device allowance are useful to you.
  • You accept the displayed recurring price after the first year.

Pick AVG Ultimate when…

  • You need Internet Security, Secure VPN and TuneUp together.
  • You can use most of the 10 covered devices.
  • The $149.99 US renewal is worthwhile for the bundled services you would otherwise buy separately.

Pick Bitdefender Total Security when…

  • You want Bitdefender’s paid multi-device product rather than its basic Windows free edition.
  • You value subscription renewal notifications and a paid plan’s broader feature set.
  • You have checked the regional device and operating-system terms before checkout.

Bottom line: which antivirus should you use in 2026?

The August 2026 Windows 11 test makes protection a tie: AVG Antivirus Free and Bitdefender Total Security each scored 18/18. For most readers, the decisive question is tier and cost. AVG Free is the clearest no-cost choice when phishing, unsafe links, downloads and attachments are priorities; Bitdefender Free is a straightforward Windows alternative with an optional VPN upgrade. Pay for AVG Internet Security or Bitdefender Total Security when you need broader controls and multi-device coverage, and choose AVG Ultimate only when its VPN and TuneUp bundle justify the substantially higher renewal price.

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Frequently Asked Questions

Can I run AVG and Bitdefender together for extra protection?

You should not run two full real-time antivirus engines simultaneously. Keep one product active, use the other only as an on-demand scanner if its current terms and installation options support that arrangement, and remove conflicting browser or firewall components.

How can I stop an antivirus subscription from renewing?

Use the account portal or the store through which you bought the subscription, not merely the desktop uninstall option. Turn off auto-renewal before the next billing date, save the confirmation, and keep the product installed until the paid term ends if you still need its protections.

What should I do if a legitimate website or file is blocked?

First update the antivirus and rescan the item. If it remains blocked, verify the file’s publisher and obtain it from the developer’s official channel; only then use the product’s documented exception workflow, and remove the exception after the task is complete.

Does a perfect AV-TEST score guarantee protection against every new threat?

No. The score reflects the specific product builds, test samples and Windows 11 conditions used in August 2026. Keep automatic updates enabled, patch the operating system and browsers, and maintain independent backups because no test result eliminates future risk.

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