Batocera.linux is an open-source retro gaming operating system. When people search for a "128GB download," they are usually looking for a designed to be flashed onto a 128GB USB drive or SSD.
Need help finding the official download page or step-by-step setup? Let me know. batocera pc 128gb download
Since the official download is a "clean" build, you must add your own files. Batocera