Editing an existing product

This seems to simple a question to ask but I have been on this for over and hour and watched the linked videos. Everything I find seems to let me create a design/product but how do I EDIT a product that is currently in my shop?
Thanks,

Hello @redemptionchurch. Please go to your Partner Area, click on Designs, choose the design you want to edit. I attached some photos with the different steps for you to follow along: