In the WordPress Admin dashboard, select the “Plugins” section and click on “Add new” plugin. In the search bar, type “WooCommerce”.
Choose the WooCommerce plugin, click “Install now”, then click “Activate”.
In the list of installed plugins, check if the WooCommerce plugin is present, well installed and activated:
Then, proceed to configuring the plugin.
For each of the menu sections (General, Products, Shipping, Payments, Accounts and Privacy, Emails, Advanced), you need to feel in the blanks corresponding to: i.e. Address, City, Country, Postcode, enabling reviews, guest checkout, account creation, page setup, checkout endpoints, account endpoints, etc.