A Rename Files section lists the names of files to be renamed. The name of the section must appear in a Renfiles item in an Install section of the INF file.
[rename-files-section-name]
new-file-name,old-file-name
.
.
.
The following example renames file42 to file41, file52 to file51, and file62 to file61:
[RenameOldFilesSec]
file41, file42
file51, file52
file61, file62
Overview, INF File Format Reference