Retailers like Steam often carry the updated versions, though the "original" 2005 version is frequently delisted in favor of the remaster.
Some users host backups of the original game files and utilities on the Internet Archive . Grand Theft Auto: San Andreas Torrent Download
Grand Theft Auto: San Andreas + Utilities (Windows) : Rockstar Games : Free Download, Borrow, and Streaming : Internet Archive. Grand Theft Auto: San Andreas - Rockstar Games Retailers like Steam often carry the updated versions,