How to create a design theme: Warning: DO NOT DUPLICATE AN EXISTING THEME. Yes, this would make it slightly easier to create your new theme, but it will also make your new theme horribly incompatible with Magento updates. Many designers (including some major Magento design companies) did this for a long time, and left the Magento world in a bit of a mess when 1.4 was released. Instead, use the “least impact” approach, outlined in this article to maximize compatibility with updates. The first step will be creating the folders for the new theme. We’ll call your new design new_theme. Create the following folders: New folders: 1. /app/design/frontend/default/new_theme/ - our new theme 2. /app/design/frontend/default/new_theme/layout 3. /app/design/frontend/default/new_theme/templates 4. /skin/frontend/default/new_theme/ - our new skins folder 5. /skin/frontend/default/new_theme/css/ 6. /skin/frontend/default/new_theme/images/ Also, create the following