After adding new content, deleting files like CASPartCache.package and scriptCache.package helps ensure new items appear correctly in the game. Performance and Stability Considerations

Players often choose between "default replacements," which change every Sim in the world, or "non-default" skins, which can be applied to specific characters for unique looks. How to Install Mods Safely

By default, Sims are modeled with stylized anatomy to maintain the game's Teen rating. For players striving for a higher level of detail or more diverse character designs, customization mods are the primary solution.