The DSON Importer for Poser is available in both 32-bit and 64-bit versions, for the Windows and OS X operating systems. Which version of the the importer you should install is based on which version(s) of Poser you are using, not just the operating system you are on.

• Poser 9 is 32-bit, so you must download and install the 32-bit version of the DSON Importer for Poser.

• Poser Pro 2012 gives you three installation options. If you:
  • Installed the default 64-bit version - Download the 64-bit DSON Importer for Poser
  • Installed 32-bit files - Download the 32-bit DSON Importer for Poser installer
  • Installed both 32-bit and 64-bit - Download both DSON Importer for Poser installers and install each into the appropriate Poser installation directory

Please read: Where do I install the DSON Importer for Poser? if you need help determining where to install each of the DSON Importer for Poser installers.