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set_diagnostic_data_to_security.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DataCollection]
"AllowTelemetry"=dword:00000000

Press Windows + R, enter services.msc.

Disable Connected User Experiences and Telemetry Service.

1. Press the Windows + S and type in privacy and click on Privacy settings. On the left-hand side, click on Diagnostics & feedback.
2. Scroll down the right-side until you find Delete diagnostic data. Click on the Delete button to delete your data.

Ref

• https://winaero.com/blog/how-to-disable-telemetry-and-data-collection-in-windows-10/
• http://m.majorgeeks.com/content/page/how_to_disable_diagnostics_tracking_(diagtrack)_or_connected_user_experiences_and_telemetry.html
• https://docs.microsoft.com/en-us/windows/privacy/configure-windows-diagnostic-data-in-your-organization