If you make a mistake and install theme with the wrong mode don’t worry you can still change it. Please follow the below steps and reset all wp-settings. Then re-run quick setup.
Note: This plugin will reset all your saved settings. I do not recommend to use this plugin if already began to use the website.

  1. Download and install WordPress Reset Plugin
  2. After activating this plugin go to Tools > Reset section
  3. Type “reset” to the box and apply reset action.
  4. Now all your WordPress data cleaned. Please of PF Settings > Quick Setup and reinstall it.