WooCommerce

If you want to use Shop on your website, please create Cart Page. For doing this:

• create new page "Cart"
• add WooCommerce shortcode [woocommerce_cart].  to this page
• save changes.
• Go to ---> WooCommerce ---> Settings ---> Advanced and select creating page for Cart .

In the same way, please create and add Checkout Page with shortcode  [woocommerce_checkout] 

Additional Information :

WooCommerce comes with several shortcodes that can be used to insert content inside posts and pages.

• [woocommerce_cart] – shows the cart page
• [woocommerce_checkout] – shows the checkout page
• [woocommerce_my_account] – shows the user account page
• [woocommerce_order_tracking] – shows the order tracking form

In most cases, these shortcodes will be added to pages automatically via onboarding wizard and do not need to be used manually.

How to add and set up products in your shop you can view in official WooCommerce documentation