Manual Install:
Copy the "Data" folder to your Skyrim folder and overwrite then make sure "CosmicCowMod" is enabled with your mod manager.

Download Manager:
Just make sure "CosmicCowMod" is enabled.


Tip: if you want the mod content the easy way, in-game open the console with ~ and type "help cosmic",
you'll see the two items, add the items to your bag by typing player.additem "ID" "quantity".