Customize website on Wordpress (Woocommerce)

You need to set up an online store on Wordpress with WooCommerce.
Almost everything is standard. The important point is that you need to tie the referral system to the store (to be referral links, which are recorded and thus accrue cashback for purchases referrals). You can make any ready-made plugin for WooCommerce. Requirements from technical specifications flexible enough.
For site purchased theme Elaine. So templates will not.