1) Install Heroes of Might and Magic V. Gold Edition – the Steam version is preferable.
2) Then, download the EWA global mod from here: http://el-mods.ru/load/4-1-0-12.
3) Install the EWA global mod into the game folder.
(into the Tribes of the East folder) Attention! First, install version 2.0, and then install version 2.2.2 on top of it. Restart your computer.
4) After installation, several shortcuts will appear on your desktop. Choose the one that says: EWA.
Next, launch the launcher and make any desired settings.