Thread:Project:Support desk/Making my MediaWiki site just like Wikipedia

I'm using MediaWiki as a localhost site, but it doesn't work classy like Wikipedia.

1. Templates: can I just download useful templates which work in Wikipedia and install them in my MediaWiki site?

2. Editing box: how can I change the menus of the editing box from the classic 8 buttons to the "advanced" menu bar which is shown in current Wikipedia and here? (solved!)

3. Searchbox: how can I make my searchbox AutoComplete like Wikipedia?

Wating for your answers. I will appreciate at least giving me links helpful for solving these problems. Thank you so much.