I'm trying to create my own multi pt's, only the problem is, I cant' figure out how to translate Fwiffo's instructions to version 73.

This line in particular has me stumped;

 5. Go to "File -> Add". Select the 6 .xml files you unziped in step 1. There should be two "BHAV" files, a "Catalog Description", "Global Data", "Object Data" and "Object Functions".

There doesn't seem to be an add button in file or anywhere, how do I put the pertinant information into my sim.

Her's a link to all of his instructions.

 http://nene.modthesims.info/showpost.php?p=557890&postcount=22

He hasn't been on in years as far as I can tell, so I can't ask him.

Edit: Boy don't I feel sheepish and silly, I right clicked in the list and got the option to add.