This thread is turning out to be a one-on-one tutorial to teach you how to do basic things in Zen Cart and the forums aren't meant for that purpose.

If you look through the FAQs section (link below) you'll find the answer to many of your questions:
https://www.zen-cart.com/tutorials/index.php

Failing that there is the Zen Cart book which you can buy (link at top of this website).

Vger