- Obtain
Install Mac OS X Lion.app
. - Open it using Show Package Contents.
- Go to
Contents/SharedSupport/
and copyInstallESD.dmg
somewhere where you can later locate it.
- Start VirtualBox.
- Create a new VM with a hard drive, guest OS Mac OS X 10.7 Lion (64-bit). Remember the name you give to the VM and do not start it after creation.
- Go to VM Settings, in System change chipset to PIIX3. In Display change video memory to 128MB. Click OK to save settings.
- Exit VirtualBox.