To run Mac OS X in virtual machine you need to have processor with Intel VTx, or AMD-v hardware virtualization support. Step 3 - Create virtual machineĪfter you have installed VirtualBox and downloaded iATKOS L2 disk image, it is time to prepare the virtual machine. You can Google for it and download it, for example on BitTorrents. Original iATKOS L2 is distributed in DMG format used for Mac OS X installation packages. However, we used easier way with a pre-prepared installation image called iATKOS L2, that includes Mac OS X Lion and other utilities, patches as well as hardware drivers that allows users to install Mac OS X. Advanced users can use original DVD with special boot loaders and test optimal settings for the best Mac OS X performance. They are few ways how to install Mac OS X to virtual machine. It has very straightforward installation without any complex settings. You can download free VirtualBox installation package from Oracle website.
I posted a detailed guide on my blog about how to create a Yosemite VM, feel free to check it out if you're interested.How to install Mac OS X Lion to VirtualBox Step 1 - Install VirtualBox to your computer
Graphics are still slow (and it's even worse in Yosemite) but besides the login screen which takes a good 5 seconds to render due to its transparency, everything else is pretty usable, and it's enough for occasional (hobby) iOS development until you get enough experience to make profitable apps in which case it's still better to buy a real Mac as this setup may break at any update. An SSD is a must have though, a hard drive will be bloody slow (that's also true for a real Mac). In the end, with my solution I am able to successfully run Yosemite with 3,5GB of RAM (out of the 4GBs of my computer, and by tweaking the host system I could probably push it even more to 3,7GB), using the two cores of my CPU, with reliable USB pass through and no tweaking required (the emulated hardware is close enough to a real Mac that the OS boots directly without any kernel command line parameters or extra kexts). What you can do (and I have done it with much success) is use a lightweight Linux installation as a base for QEMU which is a Virtualbox alternative, with much more configuration options, including the ability to emulate the Apple SMC and its "OSK" string (you won't need shady "hackintosh" kexts) and it has reliable USB pass through (I successfully restored iOS devices and installed apps on them). Virtualbox on Windows is definitely not suitable for this, as Windows itself is quite resource-hungry, Virtualbox lacks many configuration options and even if you can get it to work it's going to be quite unreliable, not to mention that you can't pass through USB devices.
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