How to enable a theme for specific taxonomy?
Step 1: In the sidebar, click ThemeSwitcher Pro to access the settings.

Step 2: Click Archive Settings tab. Select the taxonomy you would like to enable from the dropdown menu and select the theme. Click Save button.

How to choose a theme for specific taxonomy?
Step 3: Once the Theme Switcher has been enabled for taxonomy, the themes will be listed in a dropdown menu, and you can select a specific theme for that taxonomy. After choosing a theme, click Save.
