Since Fable 3 for PC has been delayed until, well as far as we know December 2010.
Source: Game.net
When will fable 3 for pc be released? It shows under their PC Section under Top Pre Orded Games as 12/10
So we can be expecting Fable 3 to be released later this Year for PC users.
Although we can whet our appetite with the Fable Three King Maker whilst we wait, you can view a better article on that here. As well as the Fable Three Village Maker
Fable 3 PC Version was first scheduled to be released simultaneously beside the XBOX 360 version of Fable 3.