i have the soft minitab 14.13

i have the minitabl 14.13 and it did not need to be registered, the mean i think that you have seen.

if you need please add the mark for me and i will mail to you. also i did not know how to attach here.

however, i want to know the dificult between the edition14.13 and 14.20 and or if tere is a more advanced edition.if you can tell me ,i think you are so friendly.