There are just simple zip archibe in wich theme file copy his into "C:\Users\username\AppData\Local\Microsoft\Windows\Themes\", where "username" is your name of user. After that you may edit the theme file by text editor to change what you need. Theme is appears in the personalization menu. I'm sorry I didn't understand a single word you just said. I don't know what this talk is of some theme file. Please articulate yourself more carefully.