there is a way to change all game cars to show real models?

UPDATE
Game working fine thx !

there is a way to change all game cars to show real models?

Hey guys

I just finish installing GTAV Car PACK. I run the game from Rockstar Launcher -> press story mode and the game closed instantly.

can any one tell me what is the problem?

my Game version is 2060.1

i DONT want to play online .. just want to replace the cars skins with real ones