Gta-san-andreas-realistic-graphics-mod-for-low-end-pc-2gb-ram

Properly capitalizing the game title (GTA San Andreas) and acronyms (PC, RAM) makes it look professional.

Changing "PC" to "PCs" indicates the mod works for that category of hardware. Properly capitalizing the game title (GTA San Andreas)

Using parentheses for the "2GB RAM" requirement separates the technical spec from the descriptive title, making it easier to scan. Properly capitalizing the game title (GTA San Andreas)

A more natural, readable version of that text would be: Why this works: Properly capitalizing the game title (GTA San Andreas)