There are some modified or lite versions of GTA San Andreas available online, but I strongly advise against downloading them, as they may:
Do not risk your PC's security by clicking on suspicious 50 MB download links for Grand Theft Auto: San Andreas. The game is too massive to be shrunk to that size safely. Stick to official releases or physical copies to enjoy one of the greatest video games of all time without the headache of malware. gta san andreas 50 mb download pc link
The safest and only official way to get the game is through reputable storefronts. You can purchase Grand Theft Auto: The Trilogy – The Definitive Edition There are some modified or lite versions of