2018 MacBook Pro macOS Ventura 13.3
Parallels Desktop v17.1.16
Guest OS X Mountain Lion 10.8
I have some legacy software that integrates with hardware. I need to run 10.8 or less.
Parallels message "Unable to detect operating system" when I try to install OS X Mountain Lion 10.8. If I continue...
I have a MacBook Pro and I'm running Big Sur. I'd like to install either Yosemite or Sierra as a virtual machine. I downloaded the .dmg files but when I try to install them it says "unable to detect operating system." Customer support told me that I need to use an .app file, not a .dmg file. I...