01.What does Windows know about you?
In Windows 11, Microsoft uses **Telemetry** to collect data on how you use the system, which applications you open, and even what you type (for "dictionary improvement"). Although the company states that the data is anonymous, this process consumes your PC's resources. In 2026, with the increase of integrated AI tools, the volume of sent data has tripled, making the deactivation of these features essential for those seeking privacy.
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02.1. Disabling Basic Telemetry
Simple manual adjustments to start:
- Go to Settings > Privacy & Security > Diagnostics & feedback.
- Turn off 'Send optional diagnostic data'.
- Turn off 'Improve inking and typing'.
- Turn off 'Tailored experiences'.
03.2. Removing Ad IDs and Tracking
Ads in Start Menu:
Have you noticed suggestions for apps you've never installed? Windows uses your Advertising ID for this.
Go to Settings > Privacy & Security > General and disable all four switches on this screen. This will prevent Windows from trying to create a consumer profile based on your application usage.
04.3. The "Power" of PowerShell
Deep Cleaning in 2026:
There are telemetry services that cannot be turned off through regular menus. For advanced users, we recommend using debloat scripts via PowerShell to disable services like DiagTrack (Connected User Experiences and Telemetry). This not only protects your data but also considerably reduces CPU usage spikes that cause "stutters" in competitive games.
Don't do it Manually.
Voltris Optimizer automates this entire guide and removes Windows delay in seconds.
Written by a verified expert
Douglas Felipe M. Gonçalves
Expert in Windows system optimization with years of experience in hardware diagnostics, kernel tuning, and advanced technical support. Founder of Voltris and developer of the Voltris Optimizer.
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By following this guide on Privacy in Windows 11: How to Disable Telemetry (2026), you are equipped with the verified technical knowledge to solve this issue with confidence.
If you still have difficulties after following all steps, our expert support team is available for a personalized remote diagnosis. Every system is unique and may require a specific approach.