Rockstar/Take-Two Interactive actively enforces its copyright. Full ISO copies of GTA III, VC, SA, IV, etc., that appear on the Archive are usually taken down via DMCA notice. However:
The Archive hosts stable, verified mirrors of these freeware releases. For gaming historians or curious Gen Z players wondering where the series started, the Internet Archive is often the only reliable source to download legal, original copies of the 1997 classic. It serves as a backup drive for the industry—a safety net when the original creators move on. gta internet archive