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How to Dual Boot Mac?

By Wian LJ | Lasted Updated 2018-08-02 09:10:27
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Are you planning to run two operating systems on your Mac? Find out how to dual boot to MacOS Sierra and High Sierra Beta in this new article!

MacOS 10.13 High Sierra Beta is here and everyone is excited to use it even before the full and final version which will be released soon.

If you are one of those people who want to know what are the trends or if you are a developer and wanted to contribute on the bug testing and fixing stage, well you can probably dual boot your Mac so you can really find out the differences.

Read this article to understand how to dual boot Mac using two MacOS, the 10.12 Sierra, and the 10.13 High Sierra Beta.

how to dual boot mac

Sound good? Let's dive right in...

Part 1. Why Dual Boot?

The first question you might encounter is, why do you need to dual boot your Mac? Because it is a good idea!

There are some great benefits of dual booting that we compiled. With two operating systems, you can keep your well-loved yet outdated apps while checking out the latest on the new OS.

There are really some users who are fond of dual or even multiple operating systems because they feel the need to challenge themselves by finding out new things in comparison.

Find out which among them suits your choice:

If you want to test the beta version of the latest operating system while safekeeping your current OS

If you are a developer who would like to participate in the beta release

If you want to update MacOS yet you have old apps that won’t run on the new one so you are keeping both

Now that your intentions are clear, all you need to do now is to get your device ready for dual booting!

Part 2. How to Dual Boot Two Mac Versions?

We will now proceed to the step by step procedure on how to dual boot Mac with MacOS Sierra and MacOS High Sierra Beta.

Step 1: Backup Mac

Step 2: Wipe Clean system

Step 3: Create 2 Partitions

Step 4: Install MacOS Sierra in Partition 1

Step 5: Restore Backup in the first partition

Install MacOS High Sierra Beta in Partition 2

In just 5 steps, you are on your way to having 2 different operating systems on Mac. Follow these steps on how to safely and conveniently dual-boot Mac.

1. Backup Mac.

Of course to ensure that nothing gets lost during the dual booting, backup everything on Mac. This is because we will wipe-clean everything inside it in order to create 2 partitions.

You have two options on how to backup Mac, first on iCloud and secondly, by manually creating backups to an external drive.

Another safer way to backup is by using Apple’s Time Machine, which is easier and reliable backup service.

2. Wipe-Clean Mac.

After you are sure that you have properly backed up your Mac, precede to wipe-cleaning it because using two operating systems on one device needs a lot of disk space.

There are so many things that can clog up and fill your memory and most of these are unnecessary or junk files like system junks, caches, temporary files and many more.

To avoid serious hassles in cleaning your Mac use Mac Cleaner by iMyMac-Cleaner. This software is a convenient tool in making sure that your device runs on its best and helps you clear out junk files in just a few clicks.

To better learn how Mac Cleaner works, download your own today, it’s free!

Follow these steps on how to run the program.

Download and install Mac Cleaner

Click on Junk Files on the left side menu

Let it scan for a while

Choose among the scanned results all the unnecessary files to remove

Click the Clean button and confirm the action.

use mac cleaner to wipe-clean mac

3. Create Partitions.

Now that you have a clean Mac, you need to create partitions. We will create two separate partitions on the main hard drive, one for the MacOS Sierra and the other for the MacOS High Sierra Beta.

You can create the partition by following these steps:

Go to Disk Utility

Click Partition

Provide the details such as name and size. Remember that the MacOS High Sierra Beta takes about 8GB of space. Have at least 20GB to have the best working partition.

Click Apply

4. Install MacOS Sierra on Partition 1.

Once the 2 partitions are created, you need to install MacOS Sierra on partition 1, here’s how:

Press Command + R on startup to enter recovery mode

Install MacOS Sierra on the main or first partition

5. Restore Backup in the first partition.

 After you have successfully installed the MacOS Sierra on the first partition, restore the backup from Time Machine and extract everything into the first partition.

6. Install MacOS High Sierra Beta in Partition 2

When the first partition is finished you need to proceed in installing the second operating system which is MacOS High Sierra on Partition 2.

However, you have to remember that this is still in Beta version and it requires an Apple Developer account for you to download and use it. Once you have downloaded the installer, follow the same steps on how to install the first OS.

There you have it, you have finally completed the guide on how to dual boot Mac OS.

Part 3. How to Use Virtual Machine as Alternative?

When you think doing it manually is difficult, try to use a virtual machine app which tricks the computer into running and dual booting operating systems.

You can easily create a second partition and switch between operating systems at any time via a virtual machine.

However, this app requires at least 6GB of space to run so it can really affect the device’s memory. If you can carefully manage it, then why not?

Part 4. Conclusion.

It’s easy to dual boot Mac with the same OS, however, if you plan to use another operating system such as Windows, you might need to check the system requirements and compatibilities prior to dual booting.

Now that you have the MacOS 10.13 High Sierra Beta, you can stay on the loop on what are the latest and hottest features before everyone else. Stay edgy and techie!

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