now when it asks you for the sample statement, ah done it, right before, it will ask you for the sample statement er over what period would you like to estimate this equation, right instead of pressing the return key which gives you the default, right, if you specify nineteen twenty three to nineteen forty  sorry just a  a dash between it like that nineteen twenty three space nineteen forty  okay it asks you for the number of observations to be used in the structural stability tests, right, erm if you er press the default er if you press the return key then it should give you the maximum number available right five observations in this case right and then it will perform the  regression over the entire sample period, those will be the results you obtain, right, it will also er present chow erm test statistics.