Board Thread:Questions and Answers/@comment-74.68.62.27-20140111174655/@comment-3076833-20140111182756

You do not "need" the editor per say. You should already have the Tiny Vocaloid Editor and Piapro Studio to use the voice. Tiny Vocaloid is as it implies; a smaller more limited version of the Vocaloid editor. That's why Piapro is included with Miku, it allows you to use the voice without any limitations made with the Tiny Editor.