Basic Antivirus & Security Setup

Windows 10/11

  1. Turn on Microsoft Defender (built-in).
    Start → Windows SecurityVirus & threat protection → ensure Real-time protection is On. Microsoft Support

  2. Schedule a scan weekly in Windows Security or Task Scheduler. Microsoft Support

  3. Keep Windows updated (monthly patches). Settings → Windows UpdateCheck for updates. Microsoft Support

Mac

  1. Rely on built-in layers: Gatekeeper, Notarization, XProtect, plus the firewall. Apple Support+1

  2. Only install trusted apps (App Store or identified developers). Apple Support

  3. Keep macOS updated (Security Response & patches). Microsoft Support

Why this helps: Up-to-date OS + built-in protections block most threats; scans catch the rest.

Source:
Windows Security overview: https://support.microsoft.com/windows/stay-protected-with-the-windows-security-app
Virus & threat protection: https://support.microsoft.com/windows/virus-and-threat-protection-in-the-windows-security-app
Apple: Protect your Mac from malware: https://support.apple.com/guide/mac-help/protect-your-mac-from-malware
Apple Security Guide (layers): https://support.apple.com/guide/security/protecting-against-malware
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Clean Your Computer (Safely)