Article · Help article

Stay protected with the Windows Security app

Microsoft · support.microsoft.com 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.

  • 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.
Open on support.microsoft.com ↗

The question it answers

  1. Which antivirus and security software should a small business use?

Read with it

  1. Microsoft's India page for Defender for Business: ₹250 a user a month paid yearly, GST extra, for up to 300 users and five... microsoft.com Tool · Product and pricing page Microsoft Defender for Business (India pricing) Microsoft
  2. The independent German lab's latest round: 16 endpoint protection products tested through July and August 2026 on protection,... av-test.org Article · Test results AV-TEST: best Windows antivirus for business users (August 2026) AV-TEST
  3. The business security arm of Pune's Quick Heal: cloud-managed endpoint protection with detection and response and mobile device... seqrite.com Tool · Product page Seqrite Endpoint Protection Cloud Seqrite (Quick Heal Technologies)
  4. EScan, from India's MicroWorld Technologies, sells internet security and total security suites for businesses and an enterprise... escanav.com Tool · Product site eScan business security MicroWorld Technologies
  5. Quick Heal's retail suite for a single PC or a few machines: ₹1,591 for one user for a year (MRP ₹1,909), with multi-user and... quickheal.co.in Tool · Product and pricing page Quick Heal Total Security Quick Heal
  6. CERT-In's own baseline for micro, small and medium businesses: install antivirus or endpoint protection, patch regularly, use... cert-in.org.in Article · 11-page PDF 15 Elemental Cyber Defense Controls for MSMEs CERT-In
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