To update the component you don't need any particular operations.
Once downloaded the latest release from your reserved area, you need simply to install the package using Joomla Extensions Manager. During installation the extension will be updated and files overwritten automatically. After that accessing the control panel of JSitemap you will be prompted with a green label informing you that the latest version is installed.
After updating the component, no settings or configuration will be lost. Only the files and database tables used by component will be updated, but all settings and data sources will be saved.
REMEMBER TO CLEAR THE BROWSER CACHE AFTER UPDATES TO REFRESH SCRIPTS AND STYLES.
In some cases you may need to clear the Joomla! cache too and logout/login in the backend again.
Although to update the component it's only required to download and install the latest package using the Joomla installer, as long as you have a valid ongoing updates license you may choose to take advantage of the Auto Updater included in the component or the standard Joomla! Updater.
Starting from the version 3.7 of JSitemap an Auto Updater is included in the component. As you may know when you purchase JSitemap Professional, free updates are included for 1 year from the date of the latest valid purchase. As long as you have a valid ongoing updates license you may choose to take advantage of the Auto Updater included in the component.
Both the component Auto Updater and the Joomla! Updater require you to specify exactly your email address used to register your account and perform the purchase on our store http://storejextensions.org to check the validity status of your updates license and automatically prompt you to download and install updates as soon as they are available.