If you are planning to replace any installed site demo then follow the below steps;
For the fresh install site
- Install the plugin “Wp Reset” (https://wordpress.org/plugins/wp-reset/) to quickly resets the site database to the default WordPress installation. This you can simply re-start the process from the beginning.
- Once the plugin installs just Go to “Tools > WP Reset” to reset the WordPress.
For the Live site
Please contact our support staff over here https://smartwpthemes.com/submit-a-ticket/ leaving your site access details and complete information about the demo change.
NOTE: The process is not valid for the manual theme customized site