Standard in-game settings often aren't enough for 2GB of RAM. You will likely need "Low-End PC" mods to further strip down the graphics:
: You can download custom settings.xml files that disable shadows, lighting effects, and reflections entirely. how-to-play-gta-5-in-low-end-pc-2gb-ram-dual-core-processor
: If your 2GB is a single stick, adding another 2GB (total 4GB) is the single most effective "how-to" step for a playable experience. Expected Performance Standard in-game settings often aren't enough for 2GB of RAM
: Set everything to "Normal" (the lowest setting in GTA V). V-Sync : Turn this Off to reduce input lag. Expected Performance : Set everything to "Normal" (the
While Grand Theft Auto V (GTA V) officially requires a minimum of 4GB RAM and a Quad-core processor, it is technically possible to run the game on a 2GB RAM Dual-core system by aggressively optimizing the game files and system resources. 1. Essential In-Game Settings