Everything from

support.microsoft.com

2 resources from support.microsoft.com we point founders to, and the questions each answers.

📄 Article
✓ Link checked Free Beginner

Microsoft's own explanation of what Windows already includes at no cost: Microsoft Defender Antivirus, Windows Firewall and Smart App Control, giving real-time protection from first startup.

Stay protected with the Windows Security app

From support.microsoft.com by Microsoft Help article

  • Every Windows PC already has real-time antivirus in Microsoft Defender.
  • Check Windows Security shows no warnings before buying another product.
  • Keep Windows Update on, since protection depends on it.
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