Printing in SCALE on a sheet!!!

I need help printing in scale on a drawing sheet. I draw in model space at the real world size. I want to print a drawing on A4 and on A3 at a scale of whatever I need. For example 1:25. I have looked at numerous videos online all telling me what to do. it works for them but not for me. Can you print to scale on a drawing sheet in Draftsight 2018 free version. If you can please tell me how before my forehead becomes completely FLAT