The Best Free Malware Scanner for Windows 10

In the digital age, the internet has become an integral part of our lives. We use it for work, communication, entertainment, and so much more. However, the online world is not without its risks, and one of the most prevalent threats is malware. Malware, short for malicious software, can wreak havoc on your Windows 10 computer, compromising your security and privacy. To protect your system, it’s essential to have a reliable malware scanner at your disposal. In this blog post, we will explore some of the best free malware scanners for Windows 10 that can help keep your system safe and secure.

  1. Windows Defender: If you’re running Windows 10, you already have a built-in malware scanner called Windows Defender. This antivirus and anti-malware solution offers real-time protection against various threats. It’s continually updated by Microsoft, and it’s a solid choice for basic protection. Windows Defender scans your system in the background without affecting your computer’s performance.


  • Built into Windows 10.
  • Real-time protection.
  • Regular updates.
  • Low resource usage.


  • May not offer as many features as third-party solutions.
  1. Malwarebytes: Malwarebytes is a well-known name in the world of malware scanners. They offer a free version of their software that can be a great addition to Windows Defender. Malwarebytes focuses on identifying and removing malware, including more advanced threats. It can be used alongside your existing antivirus software for an extra layer of security.


  • Excellent malware detection and removal capabilities.
  • Free version available.
  • User-friendly interface.
  • Regular updates.


  • The free version lacks real-time protection.
  1. Avast Free Antivirus: Avast is another reputable antivirus software provider, and they offer a free version of their product for Windows 10 users. Avast Free Antivirus provides real-time protection against various threats, including malware, phishing, and more. It comes with a range of features that can enhance your overall security.


  • Real-time protection.
  • Additional features like a firewall and Wi-Fi security scanning.
  • Frequent updates.
  • User-friendly interface.


  • Frequent pop-up ads encouraging you to upgrade to the paid version.
  1. AVG AntiVirus Free: AVG, now owned by Avast, also offers a free antivirus solution for Windows 10. AVG AntiVirus Free provides solid protection against malware and other threats. It comes with real-time scanning and scheduled scans to keep your system safe.


  • Real-time protection.
  • Regular updates.
  • User-friendly interface.
  • Good malware detection and removal capabilities.


  • Like Avast, it may display occasional ads for the paid version.
  1. Bitdefender Antivirus Free Edition: Bitdefender is known for its robust antivirus solutions, and they offer a free version for Windows 10 users. Bitdefender Antivirus Free Edition focuses on core antivirus functionality and provides excellent malware detection and removal.


  • Strong malware detection and removal.
  • Lightweight on system resources.
  • No ads or pop-ups in the free version.
  • Regular updates.


  • Lacks some of the advanced features found in the paid version.

Additional Considerations:

  1. Regular Updates: Malware is constantly evolving, so it’s crucial to choose a malware scanner that receives regular updates. This ensures that the software can detect and protect against the latest threats. Windows Defender, for example, is automatically updated by Microsoft with Windows Updates, providing a continuous stream of new definitions to keep your system safe.
  2. User-Friendliness: The ease of use and user interface of a malware scanner can be a significant factor, especially if you’re not very tech-savvy. Programs like Malwarebytes, Avast, AVG, and Bitdefender have user-friendly interfaces that make scanning for malware and managing your security settings a straightforward process.
  3. Resource Usage: Some malware scanners can be resource-intensive, which may slow down your computer. Windows Defender is known for its low resource usage, making it a great choice if you want protection without sacrificing system performance. However, other options like Avast and AVG are relatively light on resources as well.
  4. Real-Time Protection: Having real-time protection can be a game-changer in preventing malware infections. Windows Defender and Avast Free Antivirus offer this feature, which actively scans for threats as you use your computer and prevents them from taking hold.
  5. Complementary Tools: In addition to a malware scanner, consider using other security tools such as a reliable password manager, a firewall, and regular software updates to further strengthen your system’s defenses.
  6. Pop-Ups and Ads: Keep in mind that some free antivirus solutions, like Avast and AVG, may display occasional pop-up ads or encourage you to upgrade to the paid version. While these can be slightly intrusive, the free protection they offer can still be valuable.
  7. Regular Scanning: Even if you have real-time protection, it’s a good practice to perform regular manual scans. Schedule weekly or monthly scans to ensure nothing has slipped through the cracks.

Safe Online Practices:

  1. Be Cautious with Email Attachments and Links: Malware often spreads through email attachments and links. Be extremely cautious when opening emails from unknown senders, and avoid downloading attachments or clicking on links unless you are sure of their legitimacy. Verify the sender’s identity before taking any action.
  2. Stay Updated: Regularly update your Windows 10 operating system, as well as all software and applications on your computer. Updates often include security patches that address vulnerabilities that malware can exploit.
  3. Use Strong, Unique Passwords: Ensure that your accounts are protected with strong, unique passwords. Consider using a reliable password manager to help you generate and store complex passwords for all your online accounts.
  4. Enable Two-Factor Authentication (2FA): Whenever possible, enable 2FA on your online accounts. This provides an extra layer of security by requiring a second verification step, such as a code sent to your mobile device, in addition to your password.
  5. Backup Your Data: Regularly back up your important files and documents to an external drive or a cloud storage service. This way, if your computer is ever compromised by malware, you can restore your data without loss.
  6. Avoid Suspicious Websites: Be cautious when visiting websites. Stick to well-known, reputable sites, and avoid those with a high likelihood of hosting malicious content, such as illegal download sites and suspicious online marketplaces.
  7. Educate Yourself: Stay informed about the latest online threats and scams. Being aware of common tactics used by cybercriminals can help you recognize and avoid potential dangers.

Regular System Maintenance:

  1. Clear Browser Cache: Malware can sometimes hide in your browser’s cache. Periodically clear your browser’s cache, cookies, and browsing history to help minimize the risk of infection.
  2. Manage Browser Extensions: Be selective about the browser extensions and add-ons you install. Some can compromise your security or introduce vulnerabilities. Stick to well-known and reputable extensions.
  3. Firewall Settings: Familiarize yourself with your system’s firewall settings. Windows 10 has a built-in firewall that you can configure to block incoming and outgoing traffic from suspicious sources.

Download Safely:

  1. Verify Downloads: When downloading software or files from the internet, ensure they come from reputable sources. Avoid downloading cracked or pirated software, as it often contains malware.
  2. Check File Extensions: Examine file extensions before opening them. Be cautious of file types like .exe, .bat, and .vbs, as these can execute malicious code.

Stay Informed:

  1. Security News: Keep up to date with the latest cybersecurity news. Understanding current threats and trends can help you adapt your security practices accordingly.
  2. Phishing Awareness: Be on the lookout for phishing attempts. Emails, websites, and messages that appear legitimate may be cleverly designed to trick you into revealing sensitive information. Always double-check the source and URLs.

Malware Removal:

  1. Safe Mode: If your computer is infected and you’re having trouble removing malware, consider booting your system into Safe Mode. This can help you access your computer with a minimal set of drivers and services, making it easier to remove stubborn malware.
  2. Professional Assistance: If you’re unable to remove malware on your own or if your computer is severely compromised, seek help from a professional or a dedicated malware removal community. They have the expertise to tackle more complex infections.

Backup Your Data:

  1. Backup Strategy: Regularly back up your data to an external drive or a secure cloud storage service. Ensure that your backups are updated frequently. In the event of a malware infection or other data loss, having a reliable backup can be a lifesaver.

Education is Key:

  1. Cybersecurity Training: Consider taking a cybersecurity course or attending seminars to enhance your knowledge. Many online resources are available to help you understand the ever-evolving world of online security.

In the digital age, online security is a shared responsibility. By adopting safe practices, staying informed, and using a reliable malware scanner, you can significantly reduce the risk of malware infections and protect your Windows 10 system. Remember that maintaining a secure environment is an ongoing process, and your diligence is the key to a safer and more resilient online experience.

Advanced Security Practices:

  1. Network Security: Your network plays a pivotal role in your overall security. Set up a strong Wi-Fi password, use WPA3 encryption, and change your router’s default login credentials. Regularly update your router’s firmware to patch known vulnerabilities.
  2. Virtual Private Network (VPN): Consider using a reputable VPN service, especially when connecting to public Wi-Fi networks. A VPN encrypts your internet traffic, protecting your data from eavesdroppers and potential threats.
  3. Software Whitelisting: You can take security a step further by implementing software whitelisting. This approach allows only approved applications to run on your system and can prevent unknown or unauthorized software from executing.
  4. Sandboxing: Use sandboxing software to isolate potentially risky applications or files from your main system. This way, even if a program is infected with malware, it won’t have access to your core files and settings.
  5. Security Audits: Periodically perform security audits on your system. There are many free and paid tools available to scan for vulnerabilities and potential threats. Address any issues promptly.
  6. Web of Trust (WOT): Consider using browser extensions like WOT to warn you about potentially dangerous websites. These extensions can help you make more informed choices while browsing.

Malware Prevention:

  1. User Account Control (UAC): Ensure that UAC is enabled on your Windows 10 system. UAC prompts you for confirmation when software attempts to make system changes, which can help prevent unauthorized installations.
  2. Ad-Blockers: Installing ad-blocker extensions for your web browser can minimize the risk of malicious ads infecting your computer while you browse the web.
  3. Email Filters: Set up strong email filters to reduce the likelihood of phishing emails making it to your inbox. Many email providers and clients have built-in anti-phishing features.

Regular Monitoring:

  1. Monitor System Logs: Regularly check system logs and event viewer data for any unusual activities or errors. This can help you detect issues early.
  2. Task Manager: Keep an eye on your system’s Task Manager to monitor CPU and memory usage. If you notice unusual or excessive resource consumption by an application, investigate further.

Cybersecurity Community:

  1. Join Forums and Communities: Engage in online cybersecurity forums and communities where you can learn from experts and fellow users. These communities can be invaluable when you encounter complex malware issues.
  2. Keep Current with Threats: Stay updated on the latest malware threats and trends by following security blogs and news sources. Knowing what’s out there can help you prepare for potential risks.

In the ever-evolving landscape of cybersecurity, maintaining a high level of protection requires a combination of advanced strategies, ongoing education, and user vigilance. While free malware scanners are a valuable asset in your defense, they are most effective when complemented by a comprehensive security approach. By implementing these advanced practices, you can significantly enhance your Windows 10 system’s security and reduce the risk of falling victim to malware and other online threats.

Remember, the security of your digital world is an ongoing process, and your commitment to it will pay off in the form of a safer and more secure computing experience.


What is malware, and why is it a threat to my Windows 10 computer?

  • Malware stands for malicious software, and it includes a wide range of software designed to harm your computer, steal information, or cause other unwanted effects. Malware can compromise your security, privacy, and system functionality, making it a significant threat to your Windows 10 computer.

Is Windows Defender alone sufficient for protecting my Windows 10 computer from malware?

  • Windows Defender is a solid choice for basic protection, and it’s better than having no protection at all. However, for added security, many users choose to complement it with additional free or paid antivirus and anti-malware software.

Are free malware scanners as effective as paid ones?

  • Some free malware scanners are quite effective in detecting and removing malware. However, paid versions often offer extra features, such as real-time protection and advanced scanning options. The choice between free and paid solutions depends on your specific needs.

How often should I run a malware scan on my Windows 10 computer?

  • It’s a good practice to run a full system scan at least once a week. You can also schedule regular scans for added convenience. Additionally, consider running a scan whenever you download and install new software or feel that your computer may be at risk.

Can malware scanners remove all types of malware?

  • While malware scanners are effective at detecting and removing many types of malware, some highly sophisticated threats can evade detection. It’s essential to practice safe online habits and use additional security measures to minimize the risk.

What is the best approach to staying safe from malware on Windows 10?

  • The best approach to staying safe from malware involves a combination of factors:
    • Use a reliable malware scanner for regular scans.
    • Keep your operating system and software up to date.
    • Practice safe online habits, such as avoiding suspicious websites and email attachments.
    • Use strong, unique passwords and enable two-factor authentication where possible.
    • Back up your data regularly to safeguard against data loss.
    • Stay informed about the latest cybersecurity threats and trends.

What should I do if I suspect my Windows 10 computer is infected with malware?

  • If you suspect a malware infection, you should:
    • Run a full system scan with your chosen malware scanner.
    • Isolate the infected computer from your network to prevent the spread of malware.
    • Seek professional help or assistance from online malware removal communities if the issue persists or if you’re dealing with a particularly stubborn infection.

These FAQs should help you better understand the importance of malware scanners and how to protect your Windows 10 computer from potential threats. Always prioritize security to ensure a safe and enjoyable online experience.

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