The only one original source code from MicroSoft:
(wich name was given to the company after the first night 
sleeping Mr. Gates with Mrs. Gates together, her first two words were
after the night "Micro" and "Soft")

Windows '98 source code:
 /*
        TOP SECRET Microsoft(c)  Code
        Project: Chicago(tm)
        Projected release-date: Summer 1998
 */
#include "win31.h"
#include "win95.h"
#include "evenmore.h"
#include "oldstuff.h"
#include "billrulz.h"
#define INSTALL =3D HARD
char make_prog_look_big[1600000];
 void main()
 {
      while(!CRASHED)
     {
          display_copyright_message();
          display_bill_rules_message();
          do_nothing_loop();
          if (first_time_installation)
               {
                    make_50_megabyte_swapfile();
                    do_nothing_loop();
                    totally_screw_up_HPFS_file_system();
                    search_and_destroy_the_rest_of_OS/2();
                    hang_system();
               }
          write_something(anything);
          display_copyright_message();
          do_nothing_loop();
          do_some_stuff();
          if (still_not_crashed)
               {
                    display_copyright_message();
                    do_nothing_loop();
                    basically_run_windows_3.1();
                    do_nothing_loop();
                    do_nothing_loop();
               }
      }
     if (detect_cache())
          disable_cache();
     if (fast_cpu())
          {
               set_wait_states(lots);
               set_mouse(speed, very_slow);
               set_mouse(action, jumpy);
               set_mouse(reaction, sometimes);
          }
     /* printf("Welcome to Windows 3.11"); */
     /* printf("Welcome to Windows 95"); */
     printf("Welcome to Windows 98");
     if (system_ok())
          crash(to_dos_prompt);
     else
          system_memory =3D open("a:\swp0001.swp", O_CREATE);
     while(something)
          {
               sleep(5);
               get_user_input();
               sleep(5);
               act_on_user_input();
                sleep(5);
           }
     create_general_protection_fault();
}