The latest version is available here. Direct link. Part 2 of the the 32-bit "WOW factor" in 64-bit Windows. WoW64 or Windows on Windows 64-bit, a set of DLLs suporting 32-bit applications on 64-bit Windows.
This week's Insider talks about WoW64 and a feature called filesystem redirection. Enjoy. Feedback is very welcome.