Step 1. Place the file  "WantsTuning.package" located in one of the folders listed below:

If you have FFS, or EP3 & FFS
For FFS Only or EP3 & FFS
"C:\Program Files\Ea games\The Sims 2 Family Fun Stuff\TSData\Res\Wants"

For EP3 only
"C:\Program Files\Ea games\The Sims 2 Open For Business\TSData\Res\Wants"

For EP3, FFS & GLS or just GLS
"C:\Program Files\Ea Games\The Sims 2 Glamour Life Stuff\TSData\Res\Wants"

Step 2. Place the file "Woohoo.package" in  the folder "My Documents\EA Games\The Sims 2\Downloads"