In the iso file provided by Fedora Project drivers for different Windows versions are available, in several folders.
The folder names can be a bit confusing, since they refer to the Microsoft legacy naming (i.e. lh=longhorn, that is Vista): you can refer to the schema below (showing also block/baloon drivers folder names):
|OS||Numeric version||dir for Storage / Balloon||dir for Network|
|W2008 R2 / Windows 7||6.1||Win7 (32/64)||Win7 (32/64)|
|W2008 / Vista||6.0||Wlh (32/64)||Vista (32/64)|
|W2003||5.2||Wnet (32/64)||XP (32/64)|
|XP||5.1 - 32bit, 5.2 - 64bit||WXp (32 only)||XP (32/64)|