The name of the registry (".reg") file that contains the registry entries your product requires. An alias can be used for this property.
The ".reg" file contents must follow the standard Microsoft REGSVR32 ".reg" file format, with the following exceptions:
-[HKEY_LOCAL_MACHINE\MyCompany])
[HKEY_LOCAL_MACHINE\SOFTWARE\directory\subdirectory\subsubdirectory]
you would need to make the following three entries in the ".reg" file:
[HKEY_LOCAL_MACHINE\SOFTWARE\directory]
[HKEY_LOCAL_MACHINE\SOFTWARE\directory\subdirectory]
[HKEY_LOCAL_MACHINE\SOFTWARE\directory\subdirectory\subsubdirectory]