4. The link to the about_us page has already been added to the information sideboxe or your can add it to another location as desired.
The URL for it is either:
HERE'S AN EXAMPLE ON HOW TO ADD TO THE "information" SIDEBOX:
a. edit /includes/modules/sideboxes/MYTEMPLATE/information.php
b. add this line, perhaps right above the "Shipping" link (FILENAME_SHIPPING):
$information = '<a href="' . zen_href_link(FILENAME_ABOUT_US) . '">' . BOX_INFORMATION_ABOUT_US . '</a>';
c. Upload these changes to your server, and the link will appear in your "information" sidebox.