If you can’t move your camera or the mouse clicks don't work, you often have to set the "CPU Affinity." Open Task Manager while the game is running, right-click gta_sa.exe , go to Details , and set affinity to only CPU 0 .
: Post-installation, the game files are identical to the original release, meaning no textures or sounds are downgraded to save space. gta san andreas fitgirl repack top