Question: how to change default new folder name in windows 7?
Answer: Press the Win+R keys to open Run, type regedit, and press Enter.
If prompted by UAC, click/tap on Yes.
In Registry Editor, browse to the key at the location below. ( ... 
In the right pane of the NamingTemplates key, double click/tap on the RenameNameTemplate string value to modify it. (