; Base Assembly file
; Author tatai.laszlo@mail.com
    TITLE Base  ; Program name
.386            ; 80386 processor code
.model Tiny    ; Tiny Memori model
            ; flat,stdcall
.stack 100H    ; 256 byte Stack segment

.data
; Programs Data : 
    Data db "sztring", 0
    Data1 dw 0
.code
    ORG 100H    ; It starts at Code 100H.
_start:
    mov eax, 0
    ret
END _start

This Assembly file can be compiled into an .exe file with the MASM32 compiler.
Link to the MASM32 compiler.