If you already have some products in your Shopify store and you want to sync them to Topdser without any changes.
There are two situations, one is you have used Oberlo import products to your Shopify store, another is you added products from different channels.
Don't worry, we will explain to you how to sync products. If you use Oberlo to import products to your Shopify store, please browse this article：How to Migrate from Oberlo to Topdser
If you added products to your Shopify store from different channels.
1. Just simply click on the “Sync Shopify Products” in the "Your Live Products" tab. From the pop-up window, click"Sync”
2. Then the products will appear on the "Your Live Products" page. Now You can simply map them by clicking “Map Product” to add an AliExpress product link.
This is the whole process of product sync from Shopify to Topdser.