You will need roughly 110GB of free space for the installation process, though the final folder may be smaller.
Do you need help (like a missing .dll)?
If you provide these details, I can give you a custom optimization guide or a curated list of compatible mods. isoromscom gta 5 repack
If you have 8GB of RAM or less, check the box to "Limit installer to 2GB" to prevent system crashes. You will need roughly 110GB of free space
You can often choose to skip heavy files like 4K textures or multiplayer assets if you only intend to play the single-player story. isoromscom gta 5 repack