you don't have menu there, because you disabled it in page options https://share.getcloudapp.com/Qwu7nwXp

I have installed in My Localhost recart theme as well. so, now I need to change existing default menu items and also need to remove the existing banner also. I tried to do some menu changes in the Appearance menu items. but did not delete anything. but now my default menu items have been lost. then how could I change my new menu items?. I need to follow these.

remove existing menu items, Brouse Categories, Woocomerce layouts, Post and Review layouts, etc

and need to add new menu as Headphones, computers, and Books

How could I do this? I have attached my existing theme here with