where do i select which oblivion dlcs to play

It's different to the old stand-alone Oblivion release (that's no longer available for purchase) - the extras are packaged into it as one sale, they're not treated as separate items. There is no stand-alone purchasable DLC for Oblivion GOTY, so Steam won't show you any. And yes, I have bought the GOTY deluxe version, I'm sure of this. Is that alright or? Please help I'm kinda worried like, why it's doing this. Also my plugins order are Oblivion, then Shivering Isles, and then Knights, and then my mods.

I'm only around level 7 though so I'm not sure if these are level activated or what, but that's the only thing. I've had that since escaping the sewers, but nothing else so far. Basically the only DLC quest I've got so far is something like 'There is a strange door in *wherever*, I should go to investigate. I really want to do the Mehrunes Razor DLC for the armor, but the only DLC it's told me about is either Knights of the Nine or Shivering Isles. Also I have installed and reinstalled this game a lot of times. I have the Shivering Isles and Knights plug-in but nothing else. When I go to my Steam library, and click view DLC, it says I have none. Okay so a looooooooooooong time ago I bought the Game Of The Year Deluxe version of this game, and I've never noticed I've had any DLC.

Where do i select which oblivion dlcs to play