Before diving into the wiki, it is important to understand what you are up against. Rockstar Games ported San Andreas to PC in 2005, but the port was outsourced and poorly optimized. Here is a snapshot of the issues documented on the page:

PCGamingWiki is a collaborative project with a singular, noble goal: to fix every PC game ever made. Unlike standard wikis that focus on lore or walkthroughs, PCGamingWiki focuses entirely on technical specifications, bug fixes, and hardware compatibility.