Help with Menu Items

Hi,
I am trying out Opencart 3.0.2 really thinking about switching. Have figured out at least think I have figured out how to add my blog page but my biggest issue is figuring out how to have categories how up in drop down menu like I have here https://www.thedragonskeep.net/ so that it says categories at top of menu but also includes subcategories. Like idea of multiple columns instead of one. Any idea how to do this? Any help would be helpful. Trying not to spend a lot of money since store struggling and I am trying to see if switching platforms would help.
Thanks
Sandria

Please forgive me, but this Theme you use if full of crab. It does not display in full in 1280px width
Resolution and not in responsive view either, without the need of horizontal scroll- requirements, and
some of the Link-Text and other text.content is size- and color-wise hard to read.
So, better don't expect to build much trust on professionality, if your online Visit-Card looks like this,
regardless of an OC-Version used.
Good Luck!
Ernie
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I know it is crap lol why trying to change. This is on zencart so theme not oc and is archaic. The only thing I would love is a multilevel category menu to switch over to OC. Having trouble figuring how to build in twig is all. Used to php and still very much a newbie with that.
Thanks
Sandria

Well, there is no need to learn TWIG, you can always use one of the later OC-2 Versions,
OC 3 is still more a Game for Developers, and the variety of Themes/Extensions is very
limited too, not to mention the lacking free forum knowledge, making it hard to find assistance,
if it comes to problems. And even harder, to get Help + Mod's, for free!
Good Luck
Ernie
PS: And Twig is no race machine either, but a great big bunch of heavy additional OC-Content.

Well wish had saw this before just reinstalling opencart 3 lol. Will look at opencart 2.
Thanks Sandria.