To use this mod you need the GTR2 DVD to install. Read here: The installer for this mod will abort if the the original GTR2 DVD or CD is not in your CDROM drive. Please buy a copy! There is a regular installer, a North American installer and Polish installer. The 3 CD version of GTR2 works with the North American installer if CD2 is in your CDROM drive. The regular version and the Polish version has an orange cover with a MC12 leading at the crest of Eau Rougue and the North American version has a white cover with pictures of varying cars in several small boxes. The GTR2 Game of the Year Edition Viva Media which includes a GTR2 DVD and a GTL DVD works with the North American installer.