I stared to install ODBC Driver for Windows 7 (64Bit) from the msi-Distribution. When started do configure ODBC-Driver as Datasource i did not find them shown in the list. --> Solution from web-search ...
There are two copies of odbcad32.exe on Windows Vista x64, one is stored at c:\windows\system32\ and one is stored at c:\windows\syswow64\. You need to run c:\windows\syswow64\odbcad32.exe to have access for all other ODBC drivers.
This works as expected for me .... no special software needed !!!