For those looking for historical preservation, the Internet Archive hosts the Azada PC setup and USA versions which are sometimes categorized as free downloads for archival purposes.
While the full game is generally a paid product, there are several ways to access it: Azada Free Download
Some sites like GameFools offer a limited "play online" version for free, though they charge a fee for the full desktop download. Azada - Download For those looking for historical preservation, the Internet