Here's an example of the FF7 registry entries for a vanilla installation:
REGEDIT4
[HKEY_LOCAL_MACHINE\SOFTWARE\Square Soft, Inc.]
[HKEY_LOCAL_MACHINE\SOFTWARE\Square Soft, Inc.\Final Fantasy VII]
"DataDrive"="E:\\"
"AppPath"="C:\\Programme\\Square Soft, Inc.\\Final Fantasy VII\\"
"DataPath"="C:\\Programme\\Square Soft, Inc.\\Final Fantasy VII\\Data\\"
"MoviePath"="E:\\FF7\\Movies\\"
"DiskNo"=dword:00000000
"FullInstall"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Square Soft, Inc.\Final Fantasy VII\1.00]
[HKEY_LOCAL_MACHINE\SOFTWARE\Square Soft, Inc.\Final Fantasy VII\1.00\Graphics]
"DD_GUID"=hex:
"DriverPath"=""
"Driver"=dword:ffffffff
"Mode"=dword:ffffffff
"Options"=dword:ffffffff
[HKEY_LOCAL_MACHINE\SOFTWARE\Square Soft, Inc.\Final Fantasy VII\1.00\MIDI]
"MIDI_DeviceID"=dword:ffffffff
"MIDI_data"="GENERAL_MIDI"
"MusicVolume"=dword:00000064
"Options"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Square Soft, Inc.\Final Fantasy VII\1.00\Sound]
"Sound_GUID"=hex:
"Options"=dword:00000000
"SFXVolume"=dword:00000064