Solution:

1) Run WINFILE in Windows Explorer:

a) Click the 'Start' button to display the 'Start' menu.
b) Select 'Programs' and select 'Windows Explorer'.
'Explorer' from 'Programs' menu
c) Double-click the 'Windows' folder in the left-hand window. (The files in the directory appear in the right-hand window.)
d) Double-click the Winfile.exe file in the right-hand window, to open Windows 3.1x File Manager.
'Winfile' in Explorer
e) (Optional) Create a shortcut for File Manager on the desktop.

2) Convert the Windows 3.1 or 3.11 Main program group to Windows 95 format. (File Manager appears in the 'Start' menu as a folder.)