The thread where the Furniture Library Editor was announced explains how to start the editor. Usually just double-clicking the .jar file should work. http://www.sweethome3d.com/support/foru ... 0_offset,0
Anything else on Windows I can't help with since I only know Linux.
[s]
I temporarily mirrored the urls for you. Let me know when you have downloaded them so I can remove them fom my site.
Starship Equipment Library (34.2MB)
USS Enterprise - Deck 7 Project (106.6MB)
(Click and download or right-click and 'Save link as')[/s]