Create Collections
Go to this link
Create Collection to know how to work with Shopify collection.
There are some notes:
- We should use same image size for all collections image
- We should enter the collection description.
Creat New Products
Please see this link
Create New Product to know how to add a new product.
Import/Export Products
In Package we has folder
data_samples, it is folder store CVS products file, you can use that file to import product to your store. After Import your products like as on demo site.
To know more detail about how to Import/export product please see on following link :
Import/Export Products.