Merch: Creating the WooCommerce Shop Page
The Merch theme is optimized for WooCommerce version 2.3+.
These are some basic steps to get your online shop up and running quickly. For complete instructions, please visit the WooCommerce site.
.xmlfile content outlined in the theme installation documentation, select "Skip Setup" if WooCommerce asks you to create shop pages. Those pages were already imported and installing them again will just make duplicates.
Once you have the plugin installed and the shop pages created, navigate to "WooCommerce > Settings > Products" and make sure that the main shop page is assigned: