It might not be the most intuitive to use for beginners, but it’s the easiest to use for this tutorial. S4PE ( Sims 4 Package Editor) is a simplistic tool to edit Sims 4 resources.
Pick one of the manager tools (S4PE or S4S): Each of these types is added in a different way so please read the appropriate tutorial below. Currently supported CAS Parts are: Male/Female Top, Male/Female Bottom, Male/Female Soft and Hard Penis, Male/Female Feet, Male/Female Pubic Hair, Cum, Strapon, Condom, Male Underwear, and Female Underwear. This tutorial will explain to you the basics of adding support for different kinds of custom CAS parts that work with WickedWhims.
