ArtFlash,
Look around the forum for some basic moding guides.
Woleson,
Install this three addons:
- https://www.moddb.com/mods/might-magic-heroes-55/addons/mmh55-cyrillic-fonts-and-translation-for-31
- https://www.moddb.com/mods/might-magic-heroes-55/addons/mmh55-russian-dialogue-subtitles-all1
- https://www.moddb.com/mods/might-magic-heroes-55/addons/mmh55-russian-translation-rc19k