On the appearance > menu page you need to select the menu location, and create the menu.
From this point on the menu configuration and usage is theme dependent, if you have further problems then ask in your theme support forum.
hello, it is not showing when the woocomerce plugin is active
it is not showing when the woocomerce plugin is active
This cannot be correct.
What happens when you disable woocommerce ?
Strongly suggest that you follow up your problem with your theme author.