http://buka.ru/sadm_files/homm4v20rubuka.zip – (this program requires the Russian version of Heroes of Might and Magic IV from BUKA to be installed), but when you install the English patch, the game doesn't launch; it says "disk not identified."

Added after 5 hours 40 minutes
1. Check if you have a licensed copy of the original game.
2. If it is a licensed copy, reinstall the game (it may have lost the path to the game in the registry).
3. Try the patches listed here:
/topic/1102/[/QUOTE]

HOW do I check for a license?
I already tried those patches and wrote about them.
Also, how can I update version 1.0 to 1.3-2? The Russian version -UK; I couldn't find it on BUKA