Maybe to do some clarification on the topic. Starting with Windows Vista, everything around DirectSound3D has been taken out of the operating system. Therefore you must now use software that circumvents this to bring positional audio back.
So if you still want positional audio in your game you need to choose one of the 3 software options below and follow the steps to make everything work:
Creative ALchemy Universal: https://community.pcgamingwiki.com/files/file/28-creative-alchemy-universal/
This is sort of the Creative library itself, but with support for any soundcard. Usua