From the itch.io download, it doesn't run. I'm on Windows 10 : 
Tried to download the other link where you say "Here is the link to the ENGLISH version!"
and it is this:
Viewing post in Eheb Saga - Droughtlock comments
https://www.rpgmakerweb.com/run-time-package
go to this website. Download the RPG maker 2003 RTP & copy it into the game folder.
Sorry, this is an old issue that I thought I have already solved. -.-