Problem W/ Win8.1/64 File Class Registry Entry.

Hi! I have a problem. I edited the registry entries on my Win8.1/64 laptop. The new settings are there, but the new class icon and context menu options don't appear. I asked about this elsewhere, and somebody told me that Win64 has separate registry entries for 32-bit and 64-bit programs and told me how to switch the entries from a Win64 program. I need a way to do it from the RegEdt32 program. I got the entries to work before but can't remember how I did it. Can somebody help me out? BTW, here are exports for the current entries:
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Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\.c]
@="cfile_"

[HKEY_CLASSES_ROOT\.c\DefaultIcon]
@="C:\\MyPrgs\\DOS\\TempC\\TempC.ico"

[HKEY_CLASSES_ROOT\.c\ShellNew]
"command"="C:\\MyPrgs\\Win32\\TempCMod1.exe %1"
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Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT\cfile_]
@="C Module"

[HKEY_CLASSES_ROOT\cfile_\open]

[HKEY_CLASSES_ROOT\cfile_\open\command]
@="notepad.exe %1"

[HKEY_CLASSES_ROOT\cfile_\open2]
@="Open in &Notepad++"

[HKEY_CLASSES_ROOT\cfile_\open2\command]
@="C:\\Notepad++\\notepad++.exe %1"

[HKEY_CLASSES_ROOT\cfile_\shell]
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