In this tutorial, we will show you how to install the Theme Switcher Add-On in osCommerce. This Add-On allows you to easily switch themes in the osCommerce Admin Panel. 

How to Install the Theme Switcher:

1. Backup your osCommerce database.
2. Download the Add-On from the Official osCommerce site:
   http://forums.oscommerce.com/topic/367934-addon-theme-switcher/
3. Extract the files to your computer.
4. Upload the files to your osCommerce directory, the file locations are listed below:
   

   File	Upload location
   ht_theme_switcher.php (Located in: \catalog\includes\languages\english\modules)	/includes/languages/english/modules/header_tags
   template_top.php (Located in: \catalog\includes\)	/includes
   ht_theme_switcher.php (Located in: \catalog\includes\modules\header_tags)	/includes/modules/header_tags

5. Login to the Admin panel for osCommerce.
6. On the left menu click the Modules option, then Header Tags.
7. Click the +Install Module link.
   
   The module is now installed, and you will see it under Header Tags.
   
   
   

Congratulations, now you know how to install the Theme Switcher Add-On in osCommerce! If you are seeing errors regarding your jQuery version, continue to the next article in our osCommerce class which explains how to update your jQuery Version.