For the original version to function, your PC should meet at least these specifications, which are quite lenient for today's computers:
These 50MB-100MB files are created by third-party modders or repackers. They achieve this, seemingly impossible compression by:
The actual size of the game varies significantly depending on the version you are trying to install:
If you own the original PS2 disc (legally), you can rip the BIOS and ISO. The PS2 ISO is roughly . Emulators allow for low-res mode that runs on potatoes.
Hidden software that uses your computer's CPU and graphics card to mine cryptocurrency, slowing your PC to a crawl.
The smallest reliable version of GTASA you will ever find is the original 2005 CD rip (about 1.2 GB) from a private tracker—and even that is piracy. For the cost of a coffee (the game often sells for $3.99 on sale), you can own the game legally, mod it safely, and never worry about your bank details being stolen by a 50 MB Trojan.
If you have a capable device, the game is available for a few dollars on the Google Play Store and Apple App Store. Minimum System Requirements (Original Version)
: It is technically impossible to compress a multi-gigabyte game with complex audio, textures, and 3D models down to 50 MB without losing critical data that makes the game unplayable.