Packages are larger groups of mods or features that may need to be downloaded, extracted, and installed one by one, depending on how they were created. Single mods aren’t quite the same as packages.At the same time, some mods aren’t supported after a time and may not work as well in the future. Creators usually continue to tinker with a mod, adding new features and details as time goes on. rar file extension, you will likely need to use WinZip or WinRar to extract it first Some zipped files won’t be able to be loaded directly into the game without being extracted first.If this isn’t selected, your mods won’t be recognized or loaded Be sure that you check the box in your Sims 4 settings to allow mods.