Download the of RetroArch instead of the installer. Extract it to a high-speed USB drive or microSD card.
You can install RetroArch on a USB 3.0 drive with the OpenBOR core and your PAK files. Plug it into any Windows/Linux PC, run retroarch.exe from the drive, and play your brawlers instantly—no installation, no registry edits. retroarch openbor core portable
Create a folder in your RetroArch ROMs directory called OpenBOR . Download the of RetroArch instead of the installer
Create a launch_portable.bat file on the USB root: run retroarch.exe from the drive
By using RetroArch as your frontend, you gain access to powerful features like unified controller layouts, shaders that replicate old CRT monitors, and advanced latency reduction (Runahead) that standalone versions often lack. Why Go Portable with OpenBOR?