YM 0.9 is a custom modification (mod) for GTA V, which alters the game's original code to introduce new features, gameplay mechanics, and enhancements. The "YM" likely stands for "YoungMaker," which might be the modder or the community behind this project.
To implement the YM 0.9 setup seamlessly, follow these steps: gta v ym 0.9
Example of a built-in safety feature warning from a mod menu interface: gta v ym 0.9