What is the best free antivirus software for Windows 11/10? This article lists five top tools for your consideration. If you accidentally delete or lose files on your computer, you can use a free data recovery program—MiniTool Power Data Recovery—to easily restore them.

Without antivirus software protecting your computer, it may be easily attacked by viruses or malware. This article introduces several excellent free antivirus programs for Windows 11 or 10 for your reference.

Top 5 Free Antivirus Programs for Windows 11/10

Windows Defender Antivirus

Everyone knows that Windows comes with a built-in free antivirus—Windows Defender. If you don't want to install any third-party free antivirus for Windows 11/10, you can stick with Windows Defender.

Windows Defender is the anti-malware component of Microsoft Windows. Starting from the May 2020 Update of Windows 10, it has been renamed as Microsoft Defender. It protects your device and data in real time with a full suite of security features. It also provides firewall and network protection, reports system performance, and more.

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Avast Free Antivirus

The free version of Avast Antivirus provides essential protection for your Windows 10/11 computer. It offers six layers of security and a powerful virus scanner. You can use this free antivirus for Windows 11/10 to detect and block viruses, malware, spyware, ransomware, etc., stopping threats.

It allows you to easily check the security of your entire computer, from passwords to home network security. Although it does not scan applications for malware, it monitors their behavior and reports abnormal performance.

Bitdefender Antivirus Free Edition

This free antivirus program for Windows 10/11 includes all the essential protection features every Windows computer needs. It offers real-time threat protection for your computer and uses behavioral detection to monitor active apps. If it detects anything suspicious, it takes immediate action to stop it. Its powerful scanning engine detects and removes all malware and viruses from your computer.

McAfee Antivirus

To protect your computer from viruses or malware, you can also try McAfee antivirus software. It can block viruses, malware, ransomware, spyware, and more. It also offers other protection features such as web protection, password management, identity theft protection, etc.

Norton Antivirus

This all-in-one antivirus software for Windows 10/11 can protect your Windows computer from various types of threats. Its security protection technology is powered by artificial intelligence and machine learning. It helps defend against viruses, worms, malware, ransomware, spyware, adware, phishing, Trojans, etc.

Best Free Data Recovery Program for Windows 11/10

If you lose important files due to accidental deletion, malware or virus infection, hard drive failure, computer issues, etc., you can use a professional data recovery program to recover lost files.

MiniTool Power Data Recovery is a free data recovery application for Windows 11/10. It allows you to easily recover any deleted or lost files, photos, videos, etc., from Windows computers, memory/SD cards, USB flash drives, external hard drives, SSDs, etc. This program helps you handle various data loss scenarios. It features an intuitive interface and simple operation.

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