Place files in "..\Hatred\Hatred\Content\Paks\Mods" then activate in game.
To activate in game select "User Content" from left side of main menu. Navigate to "Total Conversions" and select this mod (Super Not Important) from the mod list. Click "Apply" and the game will restart. After the game has restarted you should now see the mod title (Super Not Important) at the top of the main menu screen.