Hi there
create and build a store on Shopify with all tools.
first Shopify store free 90 days
1 register on Shopify by your new email with the name of your business.
2 Manage your store's themes. free theme or Shopify Theme Store.
3 Add your products to your store
4 manage your store's legal page
Refund policy
Privacy policy
Terms of service
Shipping policy
5 manage your home page, product page, collection page, checkout page, and collection list, sitting theme
6 buy your new domain name and link it with your store
finally, add your PayPal account and enjoy with your new store
good luck