extracting the mod files
After downloading the mod of your choice you have to extract its files if you don’t know how to extract files you can watch the video given The software used in the video is winrar if its not already installed in your computer you can install it by the link given: [link] after you have extracted the files you can move on to the next step.
browsing naruto storm 4’s local files
after extracting the mod files you now need to browse Naruto storm 4’s local files to do that u first have to open your steam games library then open Naruto storm 4 home page then go to settings after that click on properties and then click on browse local files it will open Naruto storm 4 files now you have to create a new folder and name it win_data32 after u have done that you can move on to the next step.
copy pasting mod files
After doing all that you now have to go to where you installed your mod in the mod files there will be another folder called data_Win32 then you just have to copy the files inside that folder after that you have to paste the files into the folder u made in the files of Naruto storm 4 after that u can run the game and if u have done all the steps correctly the mod will work if my guide wasn’t helpful here’s a video that might be