You now have 30 days to compose as many songs as you want. You can export audio files (WAV/MP3) during the trial. Once the trial ends, you cannot edit the project file anymore, but you can keep the rendered audio.
The shimmering, synthesized vocals of Hatsune Miku, Kagamine Rin/Len, and Megurine Luka have taken the world by storm. For over a decade, the Vocaloid software has been the industry standard for producers looking to create realistic, anime-tinged singing voices without hiring a human vocalist.
Go to the Yamaha website. Sign up for an account. Download the 30-day free trial of the Vocaloid 6 Editor.
Using a free Vocaloid Lite voicebank (like Tone Rion) versus a paid one (like Hatsune Miku V4X) is like comparing a student violin to a Stradivarius. The Lite banks often lack "E.V.E.C." (Enhanced Voice Expression Control), which means long notes will sound flat, and you cannot add vibrato easily.