In Farming Simulator 19 on P. C. how do you change the bale capacity?

I have downloaded a mod that is supposed to do this but it either doesn't work or I am too dumb to figure it out. In the description it says that you get into the xml files and change it there. I don't even have any idea how to do that. If there is a player out there who would kindly share the process to do that step by step like your explaining it to an idiot... because I am. I would greatly appreciate it. Also could you tell me how to change the speed and working width and horsepower? I would be super grateful. I have tried watching YouTube videos but either they are talking way to fast or they have an accent that I can barely understand and they use different terms for things. Like we call a semi truck a semi where they call them a lorry. If you are just being a troll and a rude person you need to just pass on by my question. As that I will report you. Every one else please feel free to answer. Thank you in advance.
In Farming Simulator 19 on P. C. how do you change the bale capacity?
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