Click on the Products tab
Click the Edit Products button next to the desired Product Group
Click the Edit button next to to change the product name, product code, or other product details.
Click the Options button to change product options
The Bulk Edit button makes editing a larger number of products and options easier. The list of products stays on the left hand side and the product edit window appears on the right. If you change product names, these changes will not appear in the list on the left hand side until you click the Refresh link at the top.