Sims 3 World Adventures no smis/sims3 file

I am installing World Adventures and on the installing guide it says to type regedit, press enter, then go to HOTK_LOCAL_MACHINE / SOFTWARE / SIMS / SIMS3.
but once I get to software there's no sims 3 file! Help. I have already fully installed the sims 3 from here.

I've seen that before, but how to I install the expansions?

Cleobites wrote:I've seen that before, but how to I install the expansions?

Hi there, @Cleobites!

You just need to double click the Setup and enter a key from the Installation Guide if it asks you for it. That's the only thing you need from the Installation Guide inside the RAR.
And that's it, there's no need to do any thing else for that Expansion Pack. Continue installing the next one or follow the rest of the guide posted by LoriliHime above.