While the Internet Archive is a legitimate non-profit library, the legal status of downloading copyrighted software is often a "gray area".
Most highly-rated archives are community-verified. For instance, some uploads provide SHA-256 hashes (like a559aa77... for gta_sa.exe ) so users can verify they are downloading safe, original files. gta sa pc internet archive
The Internet Archive operates under the DMCA (Digital Millennium Copyright Act). While they host a vast amount of public domain and freely licensed content, they also host copyrighted software under the argument of "controlled digital lending" (CDL) or simply until a takedown notice is received. While the Internet Archive is a legitimate non-profit