OpenIV is the essential, all-in-one modding tool for GTA V. It allows you to browse, extract, and replace files within .rpf archives. Ensure you have the latest version installed. You can find it on its official website.
Below is a structured text overview of the main .rpf archives found in GTA V/x64/ and related subfolders. These files contain the core game assets: models, textures, audio, scripts, and more. gta 5 x64rpf all files extra quality
Injecting massive 4K or 8K "extra quality" textures into x64r.rpf can overload your graphics card's VRAM or overwhelm the game's original engine limits. OpenIV is the essential, all-in-one modding tool for GTA V