there should be a readme that tells you how. just in case there is n't one after extracting it put the folder containing all the files in the data folder copy all the .fnt files to the font folder then referce the system.def file corectly in mugen.cfg(found in the data folder) so if my screnpack is in the folder called Cvs2b I would refernce it like below ; Not accessible in options screen motif = data/Cvs2b/system.def