Copy the installer application for the older OS back to the host.ĥ. The installer recognises it is running in a VM and bypasses the model check, so it will create an installer application for the target version in the VM's Applications folder.Ĥ. dmg file for the Yosemite, El Capitan or Sierra installer, and open the package. Use that installer application to create a VM and set it up. The normal method via App Store gives you an installer application in your /Applications folder.Ģ.
#DMG VS PKG FULL#
Download the full installer for the version of macOS that your Mac is currently running or is able to run (High Sierra, Mojave or Catalina). If you have a Mac which is too new to run Yosemite, El Capitan or Sierra and no access to an older Mac, then the following process works (tested with VMware Fusion 11.5 on a 2018 Mac Mini running Catalina, with Mojave and Sierra installers - this model can't boot anything older than Mojave):ġ. Wget -continue -show-progress -progress=bar -output-document=InstallSierra.dmg \ Wget -continue -show-progress -progress=bar -output-document=InstallElCapitan.dmg \ Wget -continue -show-progress -progress=bar -output-document=InstallYosemite.dmg \
#DMG VS PKG MAC OS X#
If anyone wants to try this themselves, here are the URLs that I used and the version of Mac OS X that they relate to: Please note that I am only asking about running a macOS VM on Mac hardware. My question is: How can I make a VM from one of these DMGs? (Note: I outlined these steps in greater detail at if you care to know more specifics.) The installation will not continue from that point. It may have been corrupted or tampered with during downloading.”
#DMG VS PKG INSTALL#
“This copy of the install OS X El Capitan application can’t be verified. The process starts, but when it gets to the point of choosing where to install it, the installation fails with a message: I manually extracted “InstallESD.dmg” and moved it to the ‘/Contents/SharedSupport/’ sub-folder of the app, and then tried to create the VM that way.
pkg was meant to install, but the app lacked the “InstallESD.dmg” which is needed to actually do the installation.
I also assume it will not run if you are using a Mac which could use that version of Mac OS X but has a later version already installed. pkg will not run on any Mac which cannot run the version of macOS which it will install. Even more, Apple seems to have made it intentionally difficult. I have downloaded 3 DMGs from Apple (see below for URLs) with the intention of making VMs from them (on a Mac), but I cannot.Īpple has seemingly made these DMGs with the expressed intention of installing them on a Mac, and not making VMs.
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