Beware! The Shop Customizer is in beta version. Please do not test it on a live website until the stable version release. If you’ve found a bug related to the Shop Customizer, report it as shown in this article.
Activating Shop Customizer
From the WordPress left menu, go to Jupiter > Theme Options > Shop > General.
Enable the Shop Customizer.
Click on the Save Settings button.
Access the Shop Customizer from the WordPress left menu, Appearance > Customize.
A new option called Shop will be available on the left panel of the Customizer.
After that, click on the Shop button to see the Shop Customizer pages settings.