Hello, PR,
XStore is a WordPress WooCommerce theme.
To open the page of the category go to Dashboard > Products > Categories > hover over the category and click on view – https://prnt.sc/quKmX7Ec3k4L
To be able to add a category page to the site menu in the header, go to Appearance > Menus > edit menus > use custom link or product category https://prnt.sc/xJRwr25AaYaG
If you have any additional questions or concerns, please do not hesitate to reach out to us. Our support team is always available to assist you.
Kind Regards,
8theme team