Regarding squares, the only working way is the following.
Open the text file Skyrim / Data / Interface / fontconfig.txt
Change the font line in the console to
map “$ ConsoleFont” = “FuturaTCYLigCon” Normal.
Change the language to English in the console as follows:
user / documents / my games there in the skyrim folder in the Skyrim.uni file in the General section after sLanguage = RUSSIAN add nm sConsole = ENGLISH save.