Arthur, go to www.blender.org to get Blender. Notice, however, that the most recent version is a 2.5x, and to be quite frank they changed so many things in there that a lot of blender users here aren't too familiar with its interface. As such, I highly recommend acquiring the 2.49 build, as it is stable and a lot of people are familiar with it.
I would suggest the complete opposite.
We don't need a lot of people gifted in the use of unsupported programs!, 2.5 is not that hard to learn, there are tuts out there.
Get blender 2.5 and search "blender 2.5 tutorial" in youtube, that should get you started with the first simple meshes.
After that's done, and you want to export something to FS, you'll need to go to the wiki and search for "blender to pof convertion", or something like that.. try to find your way through that guide.
And AGAIN, don't try to make complicated things at first, if you want to see something imported right away to FS, I would suggest you to grab a single cube, UV it, texture it and then export it following that wiki article, then try with something harder.