On a physical disc, you can check the underside near the center ring for a small code to identify the version.
Almost every major tournament (Genesis, Big House) uses 1.02. Homogenization: Melee Iso Ntsc 1.02
It is important to address the elephant in the room: downloading ISOs from the internet exists in a gray area. However, the competitive Melee community operates on a specific ethical framework: On a physical disc, you can check the