Logon to your account then look from top menu "Login" , you can register free seller if you don't have yet by clickthe "Seller register <<< "

buyer login

After logon, click the "My Shop" at top menu

my shop menu

Seller control panel, from here you can update your profile > "Seller account", list your customer > "Customers", check your sales order > "Orders", add or update your products > "Products", add or update product category > "Categories", create product characteristics > "Characteristics", create discount > "Discounts", add or update your shipping methods > "Shippings", add or update your payment method > "Payments"

seller control panel