Check the Microsoft typography site. There is no other updated VOLT as far as I know. It worked fine in the past and I downloaded it and used it a lot last year. Good luck

There are new versions but they are not publicly released for unknown reasons.

Maybe the new software is still being tested. Better be safe using the old version until and if a fully tested new one comes out.

There are new versions, but as I understand it there is no process in place for these to be automatically publicly released.