jigsaw94

heey guys, im new to gta 4, the game is running perfect on high quality now. now I wanna put in some mods, but how?¿?. I tried a few times with help of youtube etc. but I doenst work for me.(I did the same) I made a screenie of my gta folder maybe you see a file missing? and what version do you need to mod? or can you do it with al ?? ty, I hope you can help me! here you have a video with what I did, what did I wrong??