Emulators are legal. Downloading BIOS files or game ROMs (ISOs) from torrent sites is not, unless you dump them yourself from a disc you own.
However, you can still legally download free full versions of certain games using official workarounds and existing library features. Official Ways to Download Xbox 360 Games Xbox 360 Games Download Free Full Version
officially closed its doors on July 29, 2024. If you’re looking to download "free full versions" without diving into the world of risky mods, the landscape has changed—but it’s not empty. Emulators are legal
As the console ages and hardware becomes harder to maintain, a massive surge in interest has led many gamers to search for Gamers want to revisit their childhoods or experience missed classics without tracking down physical discs that may be scratched or paying inflated collector prices. Official Ways to Download Xbox 360 Games officially