This is a common bug on modern PCs. While in-game, Alt+Tab out and back in, or install the "SilentPatch" mod to fix it permanently.
A 100MB version of GTA San Andreas is a "rip." This means that to achieve such a small file size, certain non-essential elements—usually high-quality radio stations, cutscene audio, or heavy textures—are removed or heavily downsampled. Once extracted, the game files usually expand back to 600MB–1GB. Minimum System Requirements install download gta san andreas pc highly compressed 100 mb
Highly compressed games often use a command-line tool to rebuild the game files. Open the extracted folder. This is a common bug on modern PCs
Run it and wait. This process may take 5–10 minutes as it decompresses the audio and textures back to their playable state. 4. Configure Compatibility Once extracted, the game files usually expand back
How to Download and Install GTA San Andreas PC Highly Compressed (100MB)