Dark Souls doesn't just give you a menu option for DLC; you have to earn it. in Darkroot Basin.
Reload the area, go to the back of the cave, and kill the to free Dusk of Oolacile.
The DLC unless your game is updated to the latest version (Title Update 7). In Aurora , highlight Dark Souls and press (Y) for Options. Go to Title Updates . If no updates are listed, press (RB) to scan/download. Ensure the latest update is Enabled (it will turn green). 5. How to Access the Content (In-Game)
