#include <iostream>
#include <windows.h>

int main()
{
    TCHAR username[100];
    DWORD username_len = 100 + 1;
    GetUserName(username, &username_len);

    std::cout << "Hello World!\n";
}

bp DebugTestConsole!mainCRTStartup
bp DebugTestConsole!main

x DebugTestConsole!*
bp ucrtbase!fwrite

bp ADVAPI32!GetUserNameA

Launch Advanced
(Exe) C:\myDir\myExe.exe
(Args) -GUI_Start
(Start dir) c:\myDir\
Debug Child is ON

CTRL+ALT+K (Break on reboot)
Restart

ida: loc_1400224A0
bp tr+224A0