How to start Visual Composer in SAP Portal 7.3?

Hi guys

I have a doubt about visual composer in SAP Netweaver 7.3. Do I need to install other components in order to start VC? for example Usage type Composition Application, Composition Environmetnt?

in SAP Netweaver 7.0 Ehp1, I only went to this link http://hostname:51000/VC but in NW 7.3 it doesn't work, or I have to go to another link?

Regards

andy.