You should have acted. They're already here. The Elder Scrolls told of their return. Their defeat was merely delay until the time after Oblivion opened, when the sons of Skyrim would spill their own blood. But... there is one they fear. In their tongue he is Dovahkiin; Dragon Born!
The detail in Skyrim has not been cut away since Oblivion. Just look at that table. You can take all objects and even examine them in greater detail in your inventory, just watch it so you don't take anything belonging to another person. Then you'll be accused of stealing and have the guards after you.