Based on the search results, "What Was I Made For" is a song by Billie Eilish from the motion picture Barbie. It is available for free download in MP3 format on various websites such as zamona.net, phlamez9ja.com.ng, naijafindmp3.com, westsidemusicblog.net, and ilkpop.co. However, it is important to note that downloading copyrighted material without permission is illegal in many countries. Additionally, there is a song with the same title by Lost In A Name, which is also available for download in MP3 format on Boomplay.