Instead of trying to run a fake, heavily modified version of the game, check if your PC meets the actual minimum or recommended hardware specifications required to run the legitimate version of GTA 5. Hardware Component Minimum Requirements Recommended Requirements Intel Core 2 Quad Q6600 Go to product viewer dialog for this item. / AMD Phenom 9850 Intel Core i5 3470 / AMD FX-8350 Memory (RAM) Graphics Card (GPU) NVIDIA 9800 GT 1GB / AMD HD 4870 1GB NVIDIA GTX 660 2GB Go to product viewer dialog for this item. / AMD HD 7870 2GB Storage Space 100 GB available space 100 GB available space Safe and Legitimate Ways to Get GTA 5
Even if you stripped everything —all textures replaced with flat colors, all audio removed, all 3D models replaced with stick figures—the core engine and map geometry would still exceed 2GB. No compression algorithm (7-Zip, WinRAR, FreeArc, or KGB Archiver) can defeat the laws of information entropy.
Right-click your game folder, go to Properties, click Advanced, and check "Compress contents to save disk space."
I can recommend the for your budget and show you how to optimize game performance for your specific system.
You download a 200MB archive. Inside, there is no .exe or .iso file. Instead, there is a text file or a "ReadMe" that says: "Password Protected. Go to this link, complete a survey to get the password." You complete the survey (earning the scammer money), but the password never arrives. You have wasted your time and given away your phone number/email.