Open RetroArch, go to Settings ➔ Directory ➔ System/BIOS to confirm your path. 2. Download and Install the Core
While convenient, be aware that the Universal BIOS is technically a derivative work of Sega’s copyrighted code. Legality aside, many users prefer it because it eliminates region headaches. To use it, simply replace sega_101.bin with the Universal BIOS file (renamed accordingly). sega saturn bios retroarch