Zencart Version 1.5.5f. not an upgrade.
installed using zc_install.
PHP version 7.4.23.
Westminster new version 1.3.
www.legendcycle.net

I've seen this question asked but haven't seen a fix.

I have a few categories with subcategories. I would like to see the subcategories listed in the main body of the page when I click on the category in the side box. Is there an easy way to do that?