Disable Windows Telemetry (C#)

// SetDisableTelemetry.cs
//
// Disable Windows Telemetry.
// Lowers the diagnostic data Windows sends to Microsoft (requires admin). Requires an elevated (Administrator) prompt.
//
// Usage: dotnet new console -o SetDisableTelemetry, replace Program.cs with this
// file, then dotnet run.

using System;
using Microsoft.Win32;

using RegistryKey key = Registry.LocalMachine.CreateSubKey(@"SOFTWARE\Policies\Microsoft\Windows\DataCollection");
key.SetValue("AllowTelemetry", 0, RegistryValueKind.DWord);

Console.WriteLine("Disable Windows Telemetry applied.");