The best platform to Create your wordpress site a online store is by using woocommerce plugin.
Woocommerce is the most popular ecommerce platform in the wordpress.It is the most customizable ecommerce platform for building the online Store .It is the most easy and user friendly platform so that it being the most popular plugin in the wordpress.
1.Following Ways to Installing Woocommerce in your WordPress
You can directly install this plugin through your WordPress dashboard.It is the most easy way to install the plugin.You can click on plugins > Add new then search woocommerce in search bar.
After installing and Then activate woocommerce plugin you can easily run the setups.
2. After Installing add products with the woocommerce ?
After activating the plugin you will have woocommerce and products fields in your WordPress dashboard.You can click on add new products to create a new product.
You can add product name and category.
then product price and product image.