We provide information about the latest version at the following website:

VOCALOID4 Editor for Cubase updater information

To view the version of your VOCALOID4 Editor for Cubase:
On the Cubase project window, click the "MIDI" menu and then select "Open VOCALOID4 Editor". In the VOCALOID4 Editor window, click the "Help" menu and then select "About VOCALOID4 Editor for Cubase..." to check "System Ver."

* If you reinstall and start an older version after upgrading the software to the latest version, the software might not work properly.