What are the sane speech-to-text for the Russian language?

Question

Windows

The father cannot sit for a long time because of the amputated limb and diabetes, he needs to slip some kind of Russian speech recognition system into him, did anyone have any experience? It costs Windows 8 or 8.1, I don’t remember exactly, sorry.
PS: Do not offer a keyboard, he used to print normally, but now his hands are generally to hell.

Answer 1

Didn't encounter.
But, offhand, here is some list:
habrahabr.ru/post/231629