... 4. Scroll down to your new theme, select the check box to “Enable” the theme, and select the “Default” radio button to activate the theme. 5. Scroll to the bottom of the Web page and click “Save ... enable a search box in a Drupal theme. On the left side of the screen, the top option is the theme’s search form; the bottom option is the Search form block. From the Library of Athicom Parinayakosolptg76 ... 3. Clear the cache to reset the theme registry and enable the new regions. Navi-gate to Administer, Site configuration, Performance. Scroll to the bottom of the Web page and click “Clear cached...