@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)
If my memory serves me correctly, the development of this game began in 2003 but never reached completion. You can tell by the graphical style and gameplay. Obviously they have touched it up a bit now, but the aesthetics and nostalgia are there.