About the only place you can get a copy of it is MSDN SUbscriber Downloads. WinFS was cancelled in 2006. It was mentioned by Steve Ballmer that work on the project did not stop and the technology does still exist in various forms, but not as a complete file system. The various pieces of technology are being integrated into future versions of ADO.NET and SQL Server. Is it completely dead?? Maybe, maybe not. The WinFS team blog stopped being updated back in June 2006. Draw your own conclusions...
A guide to posting questions on CodeProject[^]
Dave Kreskowiak Microsoft MVP Visual Developer - Visual Basic
2006, 2007, 2008