Go to c:program filessteamsteamappscommongrand theft auto ivgtaiv and create a shortcut on the launchgtaivexe (right click, select “create shortcut”) you can add any launch options to this new shortcut to launch the game properly, first start the rgsclauncherexe in c:program filessteamsteamappscommongrand theft auto ivrgsc. Gta 4 steam launch options.