Limbo is a port of (Quick Emulator) for Android, Windows, Linux, and macOS . It allows you to run operating systems (e.g., Windows 95/98/XP, Linux, DOS, older macOS versions) inside a virtual machine on your Mac.
: Common reports for this version include performance issues on older laptops due to heat, which users sometimes manage using tools like smcFanControl. 3. Usage of .dmg Files in Installation Limbo Mac OS X.dmg