Woocommerce Setting Here :-

1. Shop Product Column — This option provide facility for selected column to display your product on shop page. such as you selected Two Column that can be display 2 column product on product page.
2. Product Post Per Page — Please provide integer value that can be display total number of product on product page. By default 12 product display on page.
3. Related Product — How to display related product on single page. Please provide integer value only. By default, Show 5 related product on single page.
4. Click on “Save Settings” button So that your setting saved!
5. Click on “Reset Setting” button then default setting restored !