Thanks alot for your help,
acually i dont have much experiance on patcher idea. How it works, how to set it up, types of files it use, how to pen and edit those files.
Acually, i need to know how to modify people RO Folder. Re-downloading pain for them.
i know that patcher just downloading on people RO Folder and then it merge them to their .grf file.
i have looked to thor guide its pain. it only target pro people who have experiance.
i wish to have detailed guide.
Thanks again.