Please respond as if you are talking to an utter idiot (in treo & IT that is),

Palm Treo 750V

I wanted to edit/delete the email button. I

-downloaded fileZ and 7zip to the desk top
-copied to SD card in the palm

1. Are these compatible softwares?
2. how do i get fileZ and 7zip to communicate to unzip/open filez.prc
3. what file do i then transfer to the unit

thank you all