Skip to content
Follow
Windows 🟡 Intermediate

How to Secure Windows 11: Built-in Features Guide

Richard
Written by
Richard
Aug 10, 2026 Updated Aug 12, 2026 2 min read
Windows 11 Security Features Guide
Windows 11 Security Features Guide

Microsoft Defender PUA (potentially unwanted application) protection is a built-in Windows 11 security feature that blocks sneaky apps from downloading alongside legitimate software. These unwanted apps often slow down your PC, show annoying ads, or hide malware.

Turning on this protection stops sketchy software before it harms your system. You do not need to install extra antivirus programs or pay for expensive software to keep your computer safe.

⚡ Quick Answer

Windows 11 includes security features like Microsoft Defender SmartScreen to block harmful apps and websites, BitLocker to encrypt your drive, Dynamic Lock to automatically lock your PC when you leave, and Windows Hello for secure sign-ins using your face or fingerprint.

Get Started with Basic Protections

These guides cover the foundational security settings every administrator should review. They introduce core tools that guard against common threats and lock down the machine from the start.

Protect Your Data with Encryption and Locking

Safeguarding sensitive files keeps data secure when walking away from the desk. These features add extra layers of protection for personal information.

Advanced Sign-in and Hardware Security

Advanced configurations secure login credentials and harden the operating system at a deeper level. These options offer enhanced protection for the entire Windows 11 experience.

How to Enable Enhanced Sign-in Security on Windows 11
1 How to Enable Enhanced Sign-in Security on Windows 11 This guide explains how Windows 11 users can enable Enhanced Sign-in Security (ESS) to protect their biometric data. ESS requires specific hardware, such as TPM 2.0 and a compatible biometric sensor. Users can toggle ESS on or off via the Settings app or Registry Editor, ensuring safer sign-ins with additional protection against hackers. 3 min read ↻ Updated Jul 2026
How to Enable or Disable Windows Hello Fingerprint
2 How to Enable or Disable Windows Hello Fingerprint This article discusses how one can add or remove the use of 'Windows Hello Fingerprint' as a sign-in option and UAC credential provider in Windows 11. Though a more secure sign-in method, fingerprints may not always be compatible. The process involves navigating the Windows Registry Editor and modifying the 'Disabled' item under a specified registry key. 2 min read ↻ Updated Aug 2026
How to Backup and Restore Microsoft Edge
3 How to Manage Windows Hello Facial Recognition in Windows 11 The article guides on altering the ability to use Windows Hello facial recognition as a login option and UAC credential provider in Windows 11. While Windows Hello offers secure and personal sign-in options like facial recognition, it may not always be suitable. The post also details how to tweak the Windows registry to add or remove facial recognition as a sign-in option. 3 min read ↻ Updated Jul 2026
How to Make Windows 11 Safer with Firmware Protection
4 How to Make Windows 11 Safer with Firmware Protection This guide explains how to enable Firmware Protection on a Windows 11 PC, aimed at enhancing security against malware. Firmware Protection acts as a safeguard during startup, ensuring only trusted software runs and preventing unauthorized changes. The guide outlines steps using both the Windows Security app and Windows Registry editing for activation. 4 min read ↻ Updated Jul 2026

Common questions

What is Microsoft Defender SmartScreen?

SmartScreen is a feature in Windows 11 that helps protect against potentially dangerous apps, files, and websites. It checks downloads and links against a database of known threats.

What is BitLocker?

BitLocker is a tool that encrypts the entire drive, rendering data unreadable without the correct password or recovery key. This utility remains vital if hardware goes missing.

What is Dynamic Lock?

Dynamic Lock uses a paired phone's Bluetooth connection to automatically lock the PC when stepping away. This prevents unauthorized access to the machine during absences.

What is Windows Hello?

Windows Hello lets users sign in to a Windows 11 device using facial recognition or a fingerprint instead of a password. Biometrics provide a faster and more secure way to access the PC.

What is Firmware Protection?

Firmware protection safeguards the low-level code that boots the hardware. Shielding this startup layer stops advanced attacks from taking over the machine before the operating system even loads.

Does 🪟 Windows 11 have built-in security features?

Ransomware protection remains crucial even when standard defenses catch most malware. Controlled folder access acts as Windows 11's built-in defense against extortion software. It prevents unauthorized programs from modifying files inside protected directories. Turn on this feature inside Windows Security Virus & threat protection Ransomware protection

Was this guide helpful?

Tags: #Windows 11
Was this helpful?
Richard

About the Author

Richard

Tech Writer, IT Professional

Richard, a writer for Geek Rewind, is a tech enthusiast who loves breaking down complex IT topics into simple, easy-to-understand ideas. With years of hands-on experience in system administration and enterprise IT operations, he’s developed a knack for offering practical tips and solutions. Richard aims to make technology more accessible and actionable. He's deeply committed to the Geek Rewind community, always ready to answer questions and engage in discussions.

📚 Related Tutorials

How to Enable Enhanced Sign-in Security on Windows 11
Windows How to Enable Enhanced Sign-in Security on Windows 11
How to Set Up Windows 11 Fingerprint Sign-in
Windows How to Set Up Windows 11 Fingerprint Sign-in
How to Set Up Windows 11 Phone Link: Connect Your Phone
Windows How to Set Up Windows 11 Phone Link: Connect Your Phone
How to Secure Windows 11 Privacy Settings
Windows How to Secure Windows 11 Privacy Settings

No comments yet — be the first to share your thoughts!

Leave a Comment

Your email address will not be published. Required fields are marked *