Windows Security
Use Microsoft Defender in Windows
Understand the built-in Windows protection and how to run basic security checks.
Beginner-friendlyStep by stepWindows
When this guide helps
- You want a simple explanation without technical language.
- You need a safe first step before changing Windows settings.
- You want related Windows guides, downloads and tools in one place.
Step by step
- Read the short explanation first.
- Check the visible Windows settings or messages.
- Change only one thing at a time.
- Test whether the problem is better.
- Use the Smart Hub below for the next useful guide.
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Related English Windows guides.
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Why Security Updates Matter
Why updates are important for Windows security and everyday protection.
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Windows Help: Essential Functions for Beginners
A simple first overview of Windows, the desktop, settings, help options and everyday basics.
Downloads and tools
Helpful extras
Use these if they match your situation.