6 truly free antivirus software

Milan Stanojevic
by Milan Stanojevic
Deputy Editor
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  • Few antimalware companies offer free antivirus solutions. The best one is Bitdefender Antivirus Free, which has no expiration date, no ads, and no third-party offers during setup. It also comes with real-time protection.
  • There's no truly free antivirus software that offers complete PC protection, not even Windows Defender. In this article, you can not only download free antivirus tools but also check out their premium alternatives.
  • If you have a small business, check out the best security software for small businesses.
  • Visit our Antivirus hub to find more awesome guides!
free antivirus software pc

The best things in life are free, and this list includes truly free antivirus software.

If you’re not ready to purchase a full antivirus package for your computer or device, then you can opt for the best and truly free antivirus to use while you make the decision to get the paid version.

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Bullguard Antivirus 35-60% Off +
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Panda antivirus 50% Off + Free VPN Included Check offer!
ESET Antivirus Free 30-day trial +
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Even if your computer has Windows Defender, you can still pony up and get a free third party security software that delivers a more effective security protection for your PC or devices.

While most free software onlines don’t necessarily come with the full features you look for, a free antivirus software should be able to do the basics at the very least like rooting out malware from your system (on an ongoing basis) to prevent such threats in real time, plus antispam and anti-phishing protection for your internet security, among other simple features.

If you want an antivirus for business, consider a fully paid security suite, but if you’re considering one for your personal use and you’re cash strapped, here are the best truly free antivirus solutions for you.

Here’s the top 6 truly free antivirus software:

  1. Bitdefender
  2. BullGuard
  3. AVG
  4. Panda
  5. Avast
  6. Kaspersky

These software solutions pack advanced security features that will block all almost all malware attacks.

Of course, premium antivirus tools offer additional features that guarantee your PC is safe from virtually all the cyber-threats out there.

But if you don’t have the budget, one of the free antivirus solutions listed below will do.

Which free antivirus is best for my PC?


Bitdefender Antivirus Free Edition is a truly free antivirus with powerful protection bundled into a user-friendly product.

With this security software, you can be sure all threats are dealt with while you’re browsing, using advanced technologies like machine learning to protect you from phishing and other frauds.

Features include on-demand virus scanning and removal, advanced threat detection using behavioral detection, anti-phishing, and anti-fraud whenever you visit porn, casino, money loan schemes, and other scammer sites.

It is easy to set up and configures, efficient on your system resources, doesn’t slow down your computer, and doesn’t send annoying upgrade messages.

⇒ Download Bitdefender Antivirus Free Edition

  • Although the free version is a good choice for PC protection, it’s not the best. Check out these Bitdefender solutions instead.


BullGuard is one of the best anti-malware solutions for Windows PC which offers a free version.

You can get free BullGuard downloads for four of its products including BullGuard Premium Protection, BullGuard Internet Security, BullGuard Antivirus and BullGuard Mobile Security.

With Premium Protection, you can secure your whole family as it has a home network scanner that protects your smart home and a one of a kind identity protection feature to protect your data privacy.

BullGuard Internet Security has stronger multi-layered protection for all your devices, against malware, combining signature-based detection with industry-leading behavioral detection and cutting-edge firewall for the ultimate protection online.

BullGuard Antivirus is an easy-to-use, tough on malware software with layered protection and antispyware, plus gaming mode for uninterrupted play sessions.

Finally, the Mobile Security is completely free, protecting your smartphone or tablet with robust security against malware, spam calls, loss or theft what with its rigorous anti-theft tools that remotely lock, locate, and wipe your device if lost or stolen.

Download BullGuard


truly free antivirus

AVG has a truly free antivirus, simply called AVG Antivirus Free. It’s fully loaded and refreshingly easy with real-time security updates, as it scans for malware and other performance issues before they reach your computer.

Its new design is simple and shows you exactly how you’re protected, all without slowing down your PC.

Whether you use the free or paid/full protection, you get impressive security that automatically updates itself, with a cutting-edge virus scanner to block and remove viruses, thereby protecting you and your family from the latest threats.

Benefits include blocking of unsafe links, downloads and attachments from emails, real-time updates, performance scanning, and much more.  You also get to enjoy 30 days of total online privacy all for free so you can browse, bank and shop privately using AVG Secure VPN, which protects your online activity in bank-grade, 256-bit AES encryption.

AVG Antivirus Free is ideal for personal and family use only, not business or enterprise use, plus it is multilingual with languages like Chinese (simplified or traditional), Czech, Danish, Dutch, English, French, German, Italian, Japanese, and many more for Windows OS.

⇒ Download AVG Antivirus Free

  • The free antivirus tool provides minimal protection. To ensure your PC’s safety, check out these AVG security solutions.


truly free antivirus

Panda’s truly free antivirus protection tool is called Panda Free Antivirus, and it’s the best-rated free security software for 2018, with new and advanced features for safer web browsing, shopping and even banking.

It comes in three different packages: basic, advanced and complete protection.

With Basic protection, you protect devices from viruses and other threats, plus you can browse the web safely. Advanced protection, on the other hand, does this but also lets you download and share files without nasty surprises, on an unlimited number of devices.

Complete Protection combines Basic and Advanced, but also optimizes and makes the most of your devices, lets you shop and pay online with zero risk. It also comes with a parental control module.

Panda Protection automatically picks threat detection techniques from other users who have installed it, and this helps protect against any new or upcoming attacks, what with its on-access or resident protection tool.

It is lightweight, easy on your system’s resources, offers gaming or multimedia mode, has a built-in web monitor to safeguard against malicious links, but contains ads.

⇒ Download Panda Free Antivirus

  • For complete real-time protection against viruses and other malware, check out Panda Dome.


truly free antivirus

Avast Free Antivirus a light, powerful, award-winning and truly free antivirus that’s recognized for its low impact and 100 percent protection against zero-day threats.

It is also easy to install and effortless to use while scanning for security and performance issues in real-time and letting you know how to fix them instantly.

New features include a beautifully intuitive interface, advanced app protection, passive mode for running multiple security products in parallel, and gaming mode for uninterrupted play with maximum processing power.

It also has the Behavior Shield that monitors malware behavior to ensure they don’t go rogue all over sudden.

Other key features include password manager, Smart Scan to find cracks that let malware in, Wi-Fi inspector to detect weaknesses automatically and strangers riding on your network, CyberCapture to capture and send suspicious files for analysis in the cloud, and smart analytics to stop threats before they get to you.

⇒ Download Avast Free Antivirus


truly free antivirus

Kaspersky Free offers free and fast protection for you and your computer by blocking dangerous files, sites, and other threats while protecting your personal information.

You can choose your protection level between Kaspersky Free antivirus, Kaspersky Internet Security, or Kaspersky Total Security.

However, for the free version, you get features such as advanced protection from malware, hackers and network attacks, security for your computer and devices with just one license for you to buy, privacy protection to stop criminals from accessing your webcam or tracking digital activities, and safe money tool for extra security when shopping or banking online.

⇒ Download Kaspersky Free

  • Free antivirus protection isn’t 100% safe. To secure all your devices, check out these Kaspersky solutions.

Share with us your favorite pick from these best, truly free antivirus software for 2020.

Editor’s Note: This post was originally published in December 2017 and has been since revamped and updated in April 2020 for freshness, accuracy, and comprehensiveness.

Frequently Asked Questions

  • Bitdefender Antivirus Free Edition is probably the best free antivirus. It’s not a free trial, so it doesn’t have an expiration date. Plus, it ensures real-time protection against incoming malware and doesn’t contain ads, banners or third-party offers.

  • It depends. To compensate for not charging a fee, some antivirus developers offer third-party products for installation or show ads in the interface. Others don’t offer real-time protection but only remove existing malware. Bitdefender Antivirus Free Edition is probably the best since it has real-time protection and doesn’t show ads.

  • Windows Defender is pretty great on its own since it has received major improvements over the past few years. However, if you’re interested in extra security features, like anti-phishing and anti-ransomware, you should check out premium antivirus solutions.

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