Ultimately, the price of storage has dropped significantly since GTA IV's release. Sacrificing the game's audio-visual integrity to save 8GB of space is rarely worth the stability issues that follow. The "RIP" format remains an impressive feat of data compression, but for the end-user, it often results in a RIP (Rest In Peace) experience for the game's immersion.
GTA IV suffers from Games for Windows Live (GFWL) deprecation. A proper RIP7Z install may still need these tweaks. gta iv rip7z install
Are you getting a (like "SecuLauncher: failed to start application")? Ultimately, the price of storage has dropped significantly
Open the extracted folder. Look for a file named Setup.bat , Install.bat , or a small Setup.exe . but for the end-user