Official platforms automatically provide the most stable, secure, and optimized versions of the game.
Claims of downloading the full game in a "highly compressed" format (often cited as 100MB, 500MB, or even 5GB) are almost always fraudulent. Size Reality: Gta 5 Exe File Download Highly Compressed High Quality
Before attempting to run GTA 5, ensure your computer meets the official hardware requirements specified by Rockstar Games. Minimum Requirements Windows 10 64 Bit, Windows 8.1 64 Bit, Windows 8 64 Bit Windows 8.1 64 Bit