What app is needed to change the files in "data" folder? I don't remember. It's "win" or something like that. Can someone help me out?

<t> I installed Bman mod. I really like what I see so far. But during tactics I have some texture error. The plus sign in the upper right hand corner just says texture not found. The same with with the small 4 buttons in the ui on the left. I'm using the new mod 2.02 I think that's the one. Either ...

It's nice but I don't know what it exactly means when they say "unpack" and "repack"

<t> I've tried over and over again. I'm not great with computer "stuff" so I hope someone is available to explain to me how to "tweak" this game a little. I've looked all over for ways to edit the files everyone is talking about in the DATA folder but for some reason I can't do it. I would really ...