C++ set local pc time

Question

Hello Everybody.
How can i change the local time on my pc?
Is here way how can i change it with "windows.h"
I used this code but somewho is didn't change.
Thanks for answare.

include <windows.h>

include <stdio.h>

void main()
{
SYSTEMTIME st, lt;
GetLocalTime(&lt);
lt.wHour--;
SetLocalTime(&lt);
}

Answer 1

You must enable the SE_SYSTEMTIME_NAME privilege, as said in the doc