Microsoft Defender
It is already included with modern Windows and offers everyday real-time malware protection without buying an additional licence.
Keep Windows Update and browser protection enabled; some users may need advanced business security.
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Why this is our Best choice
It is already included with modern Windows and offers everyday real-time malware protection without buying an additional licence.
What you get
Keep Windows Update and browser protection enabled; some users may need advanced business security.
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Questions people ask
What is the best free antivirus software?
Our first choice is Microsoft Defender. It is already included with modern Windows and offers everyday real-time malware protection without buying an additional licence.
Why did we choose Microsoft Defender?
It is already included with modern Windows and offers everyday real-time malware protection without buying an additional licence.
What should buyers know about Microsoft Defender?
Keep Windows Update and browser protection enabled; some users may need advanced business security.
Can this guide provide a binding quote for free antivirus software?
Our selection is Microsoft Defender. Keep Windows Update and browser protection enabled; some users may need advanced business security. Check any advanced paid features on the official site.