I found the cause, the installer works fine. But the developer was shit, they named the files too long. And they didn't know that windows limits the number of characters in the path => the files won't be able to install.
The fix is quite simple, you just need to install the game in a short path, for example: "C:\game"
@For newbie: Don't forget crack before launching the game (otherwise you will get the "no license" error). By doing one of the following:
Method 1: before installing the game, check the following box:
Method 2: or after installing the game, open the iso file, copy everything in the "RUNE" folder, then paste them to where you installed the game, enjoy ;) (see tutorial image here if you still dont know: https://igg-games.com/how-885614657-to-install-game-and-update.html)
I found the cause, the installer works fine. But the developer was shit, they named the files too long. And they didn't know that windows limits the number of characters in the path => the files won't be able to install.
The fix is quite simple, you just need to install the game in a short path, for example: "C:\game"