In order to add a logo to your site, first navigate to Cart Settings >> Appearance Settings as shown below.
Once you are in Appearance Settings you'll navigate to Edit Default Site Images as shown below.
Once inside Edit Default Site Images scroll down. You should see Current Images Set as shown below.
Click the browse button next to Left Side Top Image. This will allow you to browse images on your computer and upload your Logo to the cart.
There are also, a number of other images you can add/remove and customize to what you want.
