The Dawnguard expansion for The Elder Scrolls V: Skyrim is now available for PC,
Bethesda announced today at QuakeCon. The game’s first major piece of downloadable content, which was warmly received by GameSpot and has already gone live on Steam, brings new storylines and character customization options to PC dragonborn.
The release date for the PlayStation 3 version of Dawnguard, which was first released as a timed Xbox 360 exclusive, remains unknown. Bethesda commented on its official blog that it is “not satisfied yet with Dawnguard’s performance on the PS3.”
Source Article from http://www.gamespot.com/news/dawnguard-now-available-on-pc-6389967