Yes. You can use the software in Standalone mode.
Additionally, VOCALOID6 Editor can work as a VSTi/AU plug-in when you use a digital audio workstation (DAW).
However, the software does not function in Standalone mode and as a VSTi/AU plugin at the same time.
If you are unable to find a solution in the Troubleshooting section, please use the Inquiry Form to submit an inquiry.