do you have to have winzip to download things for the sims 3?

it depends what you download im afraid, if you download objects and clothes etc from the sims 3 website you dont need winzip. But not everything is free on there, as you have to pay with 'sim points.'
If you download sim's 3 stuff from other websites you'll have to download winzip.
There is some sites that you can download winzip for free because my brother did it.
Hope this helps ;D