How to install RAR. files

Winrar. files are basically a file with lots of custom in one. When you unzip them they will be individual pack files that you recognise.

Step one
Make sure you have winrar. installed GET WINRAR

Step two
Right click on the winrar file and select EXTRACT HERE and the extracted files will appear in the folder usually directly under the winrar file you extracted them from.

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Step Three
Drag and drop them to the folder ...ElectronicArts/Sims3/Downloads if they aren't there already. Once they are in your downloads folder they immediately show up in the DOWNLOADS tab in your launcher. 
You can install them from the launcher by check boxing them and pressing the INSTALL button on the launcher or by highlighting them, right click and select "open" from the sims3/downloads folder. 

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Step Four
Check INSTALLED content tab to be sure they are in the game.
Play game and enjoy new custom content!