First

If you'd like to uninstall a package, choose the Uninstall option. Choose the package to uninstall and click Next. You will then be prompted to confirm the components that are to be removed. Note, this option cannot be undone. If you would like the package to be reinstalled you must do so by running an Install and you will have to reconfigure all of your settings again.

Finish

After clicking Next, the app will then perform an Uninstall of the packages you selected.