It's almost unplayable even on high-end PC's. I'm glad I bought it, but I won't be able to play it for a long time.
Path tracing is clearly something Rockstar could add to their games themselves. The Grand Theft Auto IV path tracing mod is now available to download for free. Modder xoxor4d first made this mod ...
10M. Pity this didn't release like GTA 5. If it had equal graphics it would be an even better game on consoles.