Even on 64-bit Windows, your calling application (e.g., 32-bit Microsoft Access) must use the 32-bit ODBC manager. The NotesSQL driver does not have a 64-bit version.
Notes Client Requirement: A local Lotus Notes client or Domino server must be installed on the same machine as the driver to provide the necessary core DLLs. Installation and Setup Guide Follow these steps to ensure a successful deployment: lotus notessql 2.06 driver download
Finding official downloads for version 2.06 can be challenging because (which acquired Lotus from IBM) has transitioned to newer versions like the HCL ODBC Driver for Notes/Domino 9.0 . Even on 64-bit Windows, your calling application (e