To edit a product, click on the "Product and Services" button from the side navigation. This will expand the sub-menu items.
From the sub-menu items, click on the "Product and Services" sub-menu.
Then you need to click on the "Edit" button from the action column and make necessary changes.
As an example, let's edit the "For Kids" product and make the following changes.
Click on the "Edit" button of "For Kids" from the actions column. This will open the product/service details window for you to make the necessary changes.
In this window, lets change the product name "For Kids" to "For Adults", update the purchase price from "800" to "1300" & selling price from "1500" to "2000". Once you have completed the edits, click on the "Submit" button to update the product.