Is there a free software download that can...

[shadowforte]

Let you speak words into your mic and then writes them down to notepad or some other forum of text document? Thanks.

[Cheezeball99]

I know of one, although it isn't free- Dragon Naturallyspeaking. Dunno 'bout free, though...

[Darkchild]

Windows Vista's Speech recognition...though...it isn't free too xD (comes with vista but you have to buy vista xD)