Instructions
Download the no intro mod for "The Sims 3" from a community websites such as Modthesims, Setupswarm or esnips.
Double click on the download to extract the two files inside.
Open "The Sims 3" installation directory on your computer. Locate the "Packages" folder in the directory and place the "nointro.package" from the download into it.
Place the "Resource.cfg" file from the download into "The Sims 3" main folder.
Close the file and load "The Sims 3".