Hi,

Cubase Elements should support 3rd party plugins.
Make sure that your plugin path(s) include the path to where your Superior 2 plugin is installed.
Also, make sure that it points to the correct version, i.e. 32-bit or 64-bit version of the plugin. If your Cubase Elements application is 32-bit, you should point it to the 32-bit plugin (normally Defaults to the (x86) path) and if it is 64-bit, you should point it to the 64-bit plugin (normally Defaults to ‘C:Program FilesVSTPlug-Ins).

BR,
John