Yes, for creating an eCommerce website there is no need for any coding knowledge.
For creating any website firstly purchase domain and hosting from the hosting services like Godaddy, Bigrock etc. They will provide various hosting plans . Once you purchase the domain and hosting , download and install the WordPress after installing the WordPress , you will see options appearance and then theme and upload the theme you have already downloaded you can search from there theme which can be related to eCommerce . There are so many themes available for the eCommerce store you can choose from them.