OPTION DOTNAME
include temphls.inc
include win64.inc
include kernel32.inc
include user32.inc
includelib kernel32.lib
includelib user32.lib
.data
MsgCaption      db "Iczelion's tutorial #2",0
MsgBoxText      db "Win64 Assembly with MASM is Great!",0
.code
start:
    invoke MessageBox,0,&MsgBoxText,&MsgCaption,0
    invoke ExitProcess,0
end start