multiple voices

i’ve been away from Dorico from a while and coming back to it i’m frustrated by trying to add multiple voices. how is that done? it’s not very clear nor intuitive. ugh. is there a manual (yet) for this software?

https://steinberg.help/dorico/v1/en/dorico/topics/write_mode/write_mode_voices_inputting_t.html
https://www.youtube.com/watch?v=IKBU7z0gAVo
Shift V to input a new voice; V to cycle through existing ones.