Install second operating system mac

Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Asked 6 years, 10 months ago. Active 4 years, 6 months ago.

Use Startup Manager

Viewed 34k times. I don't know Questions : What's the best way I could achieve that? I don't care if Kameleon Dr. Kameleon 2 2 gold badges 5 5 silver badges 20 20 bronze badges. I use either of both of the following variants depending on what I'm trying to test: Virtual machines You can run OS X Advantages: Run multiple versions of OSX at the same time Should be easier to automate script testing Snapshots for easy rollback to previous OS states e.

If the software you want to test uses 3D acceleration or other non-USB hardware features, you will likely run into problems. Even USB devices may or may not work properly.

How to Triple-Boot Your Mac with Windows and Linux, No Boot Camp Required

It's just about doable with 4GiB, but I'd recommend or more. The Installer. This is a great answer. That's how I'm going to do it. Actually, I discovered that option-clicking the Purchases tab did the trick a secret shortcut? Thanks a lot, buddy! Kameleon Oct 20 '12 at The Option-click trick seems to work for some people and not for others.


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For some reason, Lion shows up in my ML appstore purchases even though I never option-clicked the tab. The whole situation is a bit of a mess, I don't understand why Apple no longer sell Lion, considering some macs don't support Mountain Lion. Anyway, glad you got it working in your case!

This article published 24th Jan. You can do this in virtual box for free but it requires a work around macbreaker. There are work arounds available for both Windows and macOS hosts. I've created a macOS Sierra virtual machine on my Windows 10 pc using virtual box. I have done this with "3xML" setup, so I know it should work.

Dual Boot Windows and macOS - Hackintosh Tutorial

Best of luck! Shane Hsu Shane Hsu 1, 1 1 gold badge 14 14 silver badges 31 31 bronze badges. Now, my iMac is running both Boot Camp's setup should be pretty self-explanatory, and the default options should work for most people. You will, however, have to decide how to split up your hard drive. Windows requires at least 32GB of hard drive space , but you'll definitely want to give it more to allow room for programs, documents, and any future Windows updates it'll download.

I'm giving mine 60GB of space, which is tight but usable. Once it's finished partitioning your drive, the Boot Camp Assistant will reboot your Mac and enter Windows setup.

How to Run Multiple Operating Systems on Your Mac

From there, you can go through the wizard just as you would on any other PC. Be extra careful not to format your Mac partition, which is likely the unnamed "Drive 0 Partition 2. Your PC may reboot a few times during the installation process, but once you're in Windows, it will prompt you to install drivers for your Mac. This ensures your Wi-Fi, trackpad, webcam, and other hardware work properly, so don't skip this step.

Once that's done, you can start using Windows normally. You can reboot back into macOS by restarting your computer and holding Option when you hear the startup chime—this will give you a menu with operating systems from which to boot. Otherwise, your computer will boot into Windows every time, which is probably not what you want. If you want to try virtualization, VirtualBox is a great free option. It isn't quite as easy and polished as Parallels, and misses out on a few really useful features, but it's completely free and will do the job just fine Download VirtualBox and install it like you would any other Mac application.

Then launch it and click the blue "New" button in the toolbar to create a new virtual machine. Give it a name like "Windows 10" and choose your operating system from the list—like Windows 10 bit. If you aren't sure whether you're using or bit Windows, read this —but there's a good chance you're using bit.

Next, you'll need to allocate resources to your virtual machine—like RAM and hard drive space. More is better, but remember, the more you give Windows, the less you'll have for macOS when you're running both in tandem, so try to strike a balance. As long as you stay within the green bar for RAM and choose a Dynamically Allocated disk, you should have enough leeway.

Once installed, select the virtual machine in the sidebar and click the "Settings" button in the toolbar. But in order to install Windows, you'll need to go to the Storage tab and load the ISO you downloaded earlier.

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Click OK when done. Now click the big green Start button in the toolbar, and you're off to the races. VirtualBox will launch the Windows installer, and you can set it up just as if it were on a new PC. Your virtual hard disk will be empty, so you'll have to choose "Custom Install" when prompted, and select your hard drive and click "New" to format it. This will give you shared folders, better video support, and other handy integrations.

You'll even be able to run applications in their own window on your Mac desktop using Seamless Mode, accessible from VirtualBox's "View" menu. If you like the idea of virtualizing Windows but VirtualBox feels a bit too technical, or you want more features—like the ability to virtualize your Boot Camp partition —Parallels is a fantastic way to run Windows on your Mac.

Step 2: Create a new partition or add a volume

Install it on your Mac, and start it up. If you already have a Boot Camp partition, it'll ask if you want to use that as your Windows installation. If not, you can just click the "Install Windows" button, and Parallels will do all the heavy lifting for you—downloading, installing, and preparing Windows. Just sit back, grab a cup of coffee, and in a little while, you'll be dumped onto the Windows desktop.

You'll have to create a Parallels account in order to use the virtual machine, but once you've done so, you can click around Windows, install programs, and use it as normal. You can adjust Parallels' resource allocation in its settings if you feel Windows needs more RAM or CPU than Parallels has provided , or click on its menu bar icon to enter "Coherence Mode," where you can launch Windows apps in their own window on your Mac desktop. When it comes to ease of use, Parallels is definitely worth the money.