3rd: Changing the names of side boxes and adding new ones... I know how to change the actuall links... englis.php and the actually code in that particular php file... is that the same way you change the header... for ex go into the more_info.php and also the tpl_more_info_default and english php....? Is that the right track....? And when it comes to addin? do i have to script edit the mysql?
Try here in the Tutorials/FAQ section

https://www.zen-cart.com/tutorials/i...hp?article=134