Retrobat Full [better]

The entire environment can be installed on external hard drives or USB keys, allowing users to take their entire library and configuration between different Windows PCs.

For the uninitiated, Retrobat is a frontend based on the popular EmulationStation Desktop Edition (ES-DE). Think of it as a "plug-and-play" operating system for emulation, without needing to dual-boot into something like Batocera or Lakka. retrobat full

A truly "Full" library for a single PC might include: The entire environment can be installed on external