The system tools package is a strip down version of Desktop and Mobile Device Management plug-in. If you have already installed the Desktop and Mobile Device Management plug-in, you can request license for system tools separately. If you have not installed the Desktop and Mobile Device Management Plug-in, you can download the System Tools Add on from here. When you install the System Tools Add-on, you will be able to perform complete Desktop & MDM activities. While purchasing the license, you can choose either full Desktop & MDM or just the System Tools Add on.