Yes, we do offer a one-time installation service for our extensions at an additional fixed cost. While doing the installation of our extension on your store, we add similarity with the default Magento theme. In the event that there is any third-party extension or custom theme installed on your store which clashes with our product then we offer support to make them viable at an extra expense.
To avail the installation service you can buy it while ordering the Magento 2 Delivery Date Scheduler. Note that the installation service we provide doesn’t include uninstallation. This means you need to uninstall the extension by yourself.