Comrades, using the orc to zip utility, I tried to extract 6 heroes (licensed version on Steam) in search of creature sounds to add them to version 5. The data3 archive cannot be opened in any way; errors occur. And, as I understand it, the sounds are located there. Could anyone help me? Thank you in advance!
The archive cannot be unpacked for two reasons: a 32-bit operating system and less than or equal to 4 GB of RAM!

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Неудачное планирование ведёт к неудаче ...
NCF - мод, добавляющий дополнительных существ в HeroesV 3.1