Most, if not all, missions and story cutscenes are stripped to save space. Security and Reliability Risks
Many links promising the are:
Graphics are often compressed to 25% quality or lower, resulting in blurry, "melted" visuals. gta 4 extreme rip in 461 gb free
You need exactly 461 GB free. Do not listen to the title saying "461 GB free." It lies. You need 461 GB for the zip file , and another 461 GB to unpack it. I had to uninstall my OS to make room. I am currently typing this from a BIOS screen. Worth it. Most, if not all, missions and story cutscenes