A. After download our files the first thing you have to do is to uncompress them with winrar :

- Download winrar 
*Here

- How to use winrar : here

B. How to intall the files into the game.

Once unzip you will find 3 files: 2 text files (extra help just for your information) and 1 .package file. Put the .package file into Documents / Electronic Arts / The Sims 4 / Mods

CAREFUL! If the download is a house or a sim, put the .package files into Documents / Electronic Arts / The Sims 4 / Tray