After logging in as a system administrator or site administrator, you can manage extensions by clicking the
You can install or upgrade an extension by clicking
Select File. After you select your extension package, a wizard will guide
you through the installation process.
In the list of installed extensions, you can click the publisher name to visit their web site, or the email icon to start a new email. You can uninstall an extension by clicking the red 'X' button to the right.
After you install or uninstall an extension, Nucleus will shut down. If you are hosting using IIS, your site will restart automatically. If you are hosting using an Azure App Service your site may take a minute to restart. A restart progress indicator is displayed during restart, and when your site has restarted, an on-screen message will say 'Restart Complete.'