Step 1: Login to the OsCommerce admin Panel
Step 2: Click on the ‘+Catalog’ button on the left side of the admin dash board.
Step 3: Now click on the ‘New Category’ link to add a new product or category
Step 4: Enter your category name for all the languages you have in your shop and add the category image, also specify the category Sort Order
Step 5: Click on the ‘Add new product’ button and add the product name, price, description details
Step 6: Click the ‘Save’ button and refresh your site to see the changes.