
Windows 11, the latest iteration of Microsoft’s flagship operating system, brings a polished interface, enhanced performance, and a host of new features aimed at productivity and convenience. But beneath its sleek surface, privacy and security remain central concerns for users. Whether you’re using your PC for work, gaming, or everyday browsing, understanding and configuring the right privacy and security settings is essential to safeguarding your personal data, protecting against online threats, and maintaining control over your digital footprint.
Windows 11 is designed with security in mind, offering default features like Secure Boot, TPM 2.0 support, and Windows Hello. However, many privacy-invading settings are enabled by default, such as telemetry and location tracking. Without proper configuration, your device could be sharing more information than you realize. This article will walk you through all the key privacy and security settings you should know about, how to adjust them, and best practices to maintain a secure and private computing environment.
1. Secure Your Sign-In Options
Windows Hello and PIN Setup
Windows Hello allows you to sign in using facial recognition, fingerprint, or a PIN. It’s faster and more secure than traditional passwords.
- Go to: Settings > Accounts > Sign-in options
- Enable Windows Hello if your device supports it.
- Use a strong PIN—longer, with letters and symbols.
Enable Dynamic Lock
Dynamic Lock automatically locks your PC when you step away by detecting the absence of your paired phone via Bluetooth.
- Settings > Accounts > Sign-in options > Dynamic lock
- Check the box for “Allow Windows to automatically lock your device…”
2. Enable BitLocker Drive Encryption
BitLocker encrypts your entire drive, protecting your files if your device is lost or stolen.
- Go to: Control Panel > System and Security > BitLocker Drive Encryption
- Click “Turn on BitLocker” for your drives.
Note: BitLocker is only available on Windows 11 Pro, Enterprise, and Education editions. If you’re using Home edition, consider third-party encryption tools like VeraCrypt.
3. Manage App Permissions
By default, Windows 11 apps may request access to your location, camera, microphone, and more. You should manually review and disable permissions for apps that don’t need them.
- Go to: Settings > Privacy & Security > App Permissions
- Categories include Location, Camera, Microphone, Contacts, and others.
- Disable permissions on a per-app basis.
For example:
- Turn off microphone access for all apps except Zoom or Teams.
- Deny location access to apps that don’t need it.
4. Adjust Diagnostic and Telemetry Data Settings
Windows collects usage data to improve the OS, but this may include sensitive info. While you can’t completely disable data collection in Home editions, you can limit it.
- Go to: Settings > Privacy & Security > Diagnostics & feedback
- Set “Send optional diagnostic data” to Off.
- Turn off “Tailored experiences” and “Improve inking & typing”.
Also, click on Delete Diagnostic Data to clear what’s already collected.
5. Disable Activity History
Activity History tracks your app and file usage. It syncs across devices if you sign in with a Microsoft account.
- Go to: Settings > Privacy & Security > Activity history
- Uncheck “Store my activity history on this device”.
- Click Clear to delete the stored history.
6. Review and Adjust Location Settings
If enabled, your device constantly tracks your physical location, which is then available to apps and services.
- Go to: Settings > Privacy & Security > Location
- Toggle location services Off to stop tracking entirely.
- Alternatively, leave it on but disable location for specific apps.
You can also clear location history from this menu.
7. Disable Ad Tracking and Personalized Ads
Windows assigns you an advertising ID for personalized ad experiences. While this helps advertisers, it compromises privacy.
- Go to: Settings > Privacy & Security > General
- Turn off:
- “Let apps show me personalized ads by using my advertising ID”
- “Show me suggested content in the Settings app”
- “Let websites show me locally relevant content by accessing my language list”
8. Turn On Microsoft Defender Antivirus
Windows 11 comes with Microsoft Defender built-in, offering real-time protection against malware, ransomware, and other threats.
- Go to: Settings > Privacy & Security > Windows Security > Virus & Threat Protection
- Make sure real-time protection is enabled.
- Run regular scans and keep Defender updated.
Also, ensure cloud-delivered protection and automatic sample submission are turned on for better threat detection.
9. Configure Ransomware Protection
Defender also includes a Ransomware Protection module with Controlled Folder Access.
- Open Windows Security > Virus & Threat Protection > Manage Ransomware Protection
- Enable Controlled folder access
- Add protected folders (Documents, Pictures, etc.)
- Allow apps through controlled access as needed.
This prevents unauthorized apps from altering files in protected directories.
10. Use a Local Account Instead of Microsoft Account (Optional)
Microsoft encourages signing in with a Microsoft Account, which syncs data across devices but shares more with Microsoft’s servers.
To reduce tracking:
- Go to: Settings > Accounts > Your Info
- Click Sign in with a local account instead
- Create a username and password for offline access
Downside: You lose syncing and OneDrive integration.
11. Limit Background App Permissions
Many apps continue to run in the background, consuming data and potentially gathering personal info.
- Go to: Settings > Apps > Installed apps
- Select each app > Click the three-dot menu > Advanced options
- Set Background apps permission to Never or Power optimized
Alternatively:
- Settings > System > Power & battery > Battery usage
- Review which apps run most and limit their background activity.
12. Control File Sharing and Network Discovery
Turn off network discovery and file sharing on public networks to avoid unwanted access.
- Go to: Settings > Network & internet > Advanced network settings > Advanced sharing settings
- Turn off:
- Network discovery
- File and printer sharing
- Use a Private Network at home, and Public Network on Wi-Fi in public places.
13. Configure SmartScreen Filters
SmartScreen helps protect against phishing and malicious websites or downloads.
- Go to: Windows Security > App & Browser Control
- Turn on:
- Check apps and files
- SmartScreen for Microsoft Edge
- SmartScreen for Microsoft Store apps
This ensures protection while browsing or downloading software.
14. Use Firewall Settings Wisely
Windows Firewall blocks unauthorized connections. It’s enabled by default, but should be configured for added control.
- Go to: Windows Security > Firewall & Network Protection
- Ensure firewalls are On for all network profiles.
- Click Advanced settings for detailed control over inbound/outbound rules.
Create custom rules to block specific apps or IPs if needed.
15. Secure Clipboard and Input Privacy
Clipboard history can store sensitive data if not cleared regularly.
- Go to: Settings > System > Clipboard
- Toggle Clipboard history to Off if you don’t use it.
- If on, regularly click “Clear” to wipe copied data.
For input privacy:
- Go to: Settings > Privacy & Security > Inking & typing personalization
- Disable personalized suggestions and data collection.
16. Keep Windows Updated
Security patches are critical. Ensure Windows Update is active and downloading updates regularly.
- Go to: Settings > Windows Update
- Enable Get the latest updates as soon as they’re available
- Set Active hours to avoid unwanted restarts
Also, check Optional updates for driver and feature updates.
17. Use Two-Factor Authentication (2FA)
If you use a Microsoft account, enable 2FA for added login security.
- Visit: https://account.microsoft.com/security
- Enable Two-step verification
- Use the Microsoft Authenticator app or receive SMS codes.
This protects your cloud data, emails, and linked devices from unauthorized access.
18. Manage OneDrive Sync Settings
OneDrive syncs your files to the cloud by default. If privacy is a concern:
- Right-click OneDrive icon in system tray > Settings
- In the Sync and Backup tab, choose only the folders you want to sync.
- You can also pause syncing or unlink your PC.
Conclusion
Securing your Windows 11 PC isn’t just about installing antivirus software—it involves a comprehensive approach to configuring built-in privacy and security settings. From limiting app permissions and managing telemetry data to enabling BitLocker and configuring firewalls, there’s a lot you can do to safeguard your data and maintain control over your system. Many of these features are easily accessible, yet underutilized by users who assume default settings are adequate.
By proactively adjusting these settings, you minimize the risk of data breaches, identity theft, and surveillance. You also reduce system clutter and improve performance by disabling unnecessary background processes and data sharing. Regularly reviewing your privacy and security configuration is a good habit—especially after major Windows updates, which can reset certain preferences. Remember: the more control you take over your digital environment, the less you leave to chance. Take the time today to secure your system—it’s an investment in your digital peace of mind.