Can't set Russian language (Far Cry 6)

I bought a ubisoft account, and I can't put Russian in the game, not in subtitles, not in voice acting.
The reason is because perhaps the previous owner of the account was not Russian.
How can I put the Russian language? I tried everything, languages ​​are given during installation, but there is no Russian there either, and I also looked in the game parameters. I even tried changing the language on the Ubisoft connect website, but that didn't help either.
Maybe you can download some crack?