How to manage products
First of all you need to access OpenCart administration panel. In the browser address bar type your_domain_name/admin
From the top menu select Catalog > Products
At the appeared screen you can see all products added to the store.
Using the buttons in the top right corner you can Insert (add new), Delete or Copy products. In order to edit existing products click Edit link in the right column.
At the product info page you can adjust the product details. Click the tabs at the top to access various product options
When you are done editing product details click Save button in the top right corner to save your changes.