Start Windows At Specific DateTime

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C#

Windows

WinForms

Hello Experts

I had lots of search with many different search keys to find out my answer in Internet; but couldn't find any code to Start Windows (Not My Windows Application) at specified DateTime without enter windows password.

The only result of my searches is setting registry key to start windows automatically after windows shuts down(With entering no password too).

class RegisteryWriter
{
    public static bool WriteDefaultLogin(string username, string password)
    {
        const string subKey = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon";

        RegistryKey registeryKey = Registry.LocalMachine.CreateSubKey(subKey);

        if (registeryKey == null)
            return false;
        else
        {
            registeryKey.SetValue("AutoAdminLogon", "1");
            registeryKey.SetValue("DefaultUserName", username);
            registeryKey.SetValue("DefaultPassword", password);
            registeryKey.Close();
            return true;
        }
            
    }

    public static bool RemoveDefaultLogin()
   {
       const string subKey = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon";

       RegistryKey registeryKey = Registry.LocalMachine.CreateSubKey(subKey);

       if (registeryKey == null)
           return false;
       else
       {
           registeryKey.DeleteValue("DefaultUserName", false);
           registeryKey.DeleteValue("DefaultPassword", false);
           registeryKey.DeleteValue("AutoAdminLogon", false);
           registeryKey.Close();
           return true;
       }
    }
}

Please help me with your patience.
I will be thankful of your help.

Good Luck