Dev C++ does not recognize Russian, what could be the problem?

Question

C++ / C#

When I put the Russian language in Dev C ++, obscure characters are displayed instead. When installing, choosing the Russian language, the same thing. Windows 11, in English, but all other programs in Russian were installed normally.

Answer 1

Somewhere in the jungle of language settings is a choice of language for non-Unicode programs.
You have English there, so the recoded from 1252 is displayed instead of 1251.
Change it to Russian, and everything will be fine.
I don’t have Windows at hand, so I won’t tell you the exact path, but it’s easy to google.