You can use all your VOCALOID3 and VOCALOID4 Voicebanks in the VOCALOID5 Editor. In this video, we will show you how to do this, as well as introduce you to some of the new VOCALOID5 functions.
Multi-Channel Out from VOCALOID5 VSTi to Ableton Live
Multi-Channel Out from VOCALOID5 AU to Apple Logic Pro X
VOCALOID5 Installation and Authorization (Windows)
Getting Started with VOCALOID5
VOCALOID5 Installation and Authorization (Mac)