Lea128_household_besties To Lovers.zip -

If you have downloaded a file like this, you typically install it by: the folder.

Opening your in-game Gallery and selecting "My Library" (be sure to check "Include Custom Content" if the Sims look different than the base game). Lea128_Household_Besties to Lovers.zip

Based on the file name, this specific download likely focuses on the popular trope, which is a staple in Sims storytelling and legacy challenges : If you have downloaded a file like this,