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Install macOS Sierra on Any Supported Intel-based PC


Install macOS Sierra on Any Supported Intel-based PC

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The following guide is a complete walkthrough for updating to or installing a fresh version of macOS Sierra. It requires no experience and all of the basic installation and post-installation tools are available on

Just because Apple doesn’t want you to install macOS on a PC, doesn’t mean it can’t be done. There are numerous tools available to help you create an installer that will allow to install any version of macOS from Snow Leopard onwards on a non-Apple PC.

Before we start, we should tell you that Apple’s licence for macOS expressly forbids it being installed on anything other than a Mac, so if you choose to do it, don’t say we didn’t warn you.

Before You Begin

1. Register here at tonymacx86! If you don’t have a user account, create one!
2. Get our latest UniBeast and MultiBeast tools from the downloads section.
3. Purchase a 16GB or larger USB drive.
4. Do a full backup of your system. We strongly recommend performing a full backup of your existing system using Carbon Copy Cloner. By doing this, you can always go back to your working installation.

UniBeast is a tool that creates a bootable installer out of your downloaded version of macOS. In order to start fresh, you’ll need access to a functional computer running OS X Lion 10.7.5 or later. This is a requirement, as you need access to the Mac App Store to download macOS and create the installation drive. To start from scratch, booting the 10.6 Snow Leopard Retail DVD directly, check out iBoot + MultiBeast.

Existing Clover users may do a direct update to macOS Sierra by simply running the Install macOS Sierra app as normal Mac users would. Follow these steps: Direct Update to macOS Sierra using Clover.

STEP 1: Download macOS Sierra
The full operating system is a free download for anyone who has purchased Mac OS X Snow Leopard, Lion, or Mountain Lion or has a Mac preloaded with OS X Mavericks, Yosemite, El Capitan, or macOS Sierra. Download the Application from the Mac App Store using your Apple ID on any Mac or functional computer running OS X 10.7.5 or later.

1. Open Mac App Store
2. Log in with your Apple ID
3. Download macOS Sierra

The Application Install macOS Sierra will appear in /Applications.


STEP 2: Create a Bootable USB Drive with UniBeast
Take a deep breath and take your time- this is pretty simple, but it’s easy to miss things if you rush. Follow each step to the letter.

1. Insert the USB drive
2. Open /Applications/Utilities/Disk Utility
3. Highlight the USB drive in left column

Screen Shot 2016-09-12 at 9.36.54 AM.png

4. Click Erase button
5. For Name: type USB (You can rename it later)
6. For Format: choose OS X Extended (Journaled)
7. For Scheme: choose GUID Partition Map

Screen Shot 2016-09-12 at 9.37.44 AM.png

8. Click Erase then Done

Screen Shot 2016-09-12 at 9.41.33 AM.png

9. Download and run UniBeast
10. Click Continue, Continue, Continue, Continue, Agree
11. At Destination Select, choose USB and click Continue

Screen Shot 2016-09-27 at 9.58.43 AM.png

12. At Select OS Installation screen choose Sierra and click Continue
13. At Bootloader Options screen choose UEFI Boot Mode or Legacy Boot Mode. UEFI Boot Mode is recommended for 7/8/9/100 Series CustoMac desktops and all UEFI capable systems. Legacy Boot Mode is recommended for 5/6 Series CustoMac desktops and all BIOS based systems.

Screen Shot 2016-09-27 at 10.55.44 AM.png

14. (Optional) At Graphics Configuration screen choose the appropriate graphics option for your system and click Continue.
15. Verify installation options, then click Continue, enter password and click Install

Screen Shot 2016-09-27 at 10.56.00 AM.png

UniBeast will now create the bootable USB drive. The process will only take about 10 minutes, depending on system and drive speed. Do not unplug or stop during this time.


16. Drag MultiBeast to your completed USB drive.

Clover Note: UniBeast delivers basic bootloader support based on our testing on recommended CustoMac systems. For further bootloader customization, download and run the official Clover package. Advanced users may also compile Clover by downloading the full source.

STEP 3: Recommended BIOS Settings
If you’re installing on a recommended CustoMac desktop with AMI UEFI BIOS, the options are simple. For other systems make sure to set your BIOS to Optimized Defaults, and your hard drive to AHCI mode. Here are standard AMI UEFI BIOS settings for Gigabyte AMI UEFI BIOS, Gigabyte AWARD BIOS, ASUS AMI UEFI BIOS, and MSI AMI UEFI BIOS.1. To access BIOS/UEFI Setup, press and hold Delete on a USB Keyboard while the system is booting up
2. Load Optimized Defaults
3. If your CPU supports VT-d, disable it
4. If your system has CFG-Lock, disable it
5. If your system has Secure Boot Mode, disable it
6. Set OS Type to Other OS
7. If your system has IO SerialPort, disable it
8. Set XHCI Handoff to Enabled
9. If you have a 6 series or x58 system with AWARD BIOS, disable USB 3.0
10. Save and exit.

STEP 4: Install macOS Sierra
You’re almost done! All you need to do is boot from the USB drive and install! For best results, insert the USB in a USB 2.0 port.

1. Turn on the computer
2. Press the hotkey to choose boot device (usually F12, F11, F10, or F8)
3. Choose USB
4. At Clover boot screen, choose Boot Mac OS X from USB
5. When you arrive at the Installer, choose language.

If you have issues reaching the installer, you can use spacebar on boot screen to enter alternate boot modes such as verbose and safe mode. For more instructions on entering boot flags see Clover Basics and Switching Advice.


6. For a new installation of macOS, you MUST erase and format the destination drive according to the following steps before continuing.

a. In the top menu bar choose Utilities, and open Disk Utility
b. Highlight your target drive for the Sierra installation in left column.
c. Click Erase button
d. For Name: type Sierra (You can rename it later)
e. For Format: choose OS X Extended (Journaled)
f. For Scheme: choose GUID Partition Map
g. Click Erase
h. Close Disk Utility

7. When the installer asks you where to install, choose Sierra, or your existing install.
8. Upon completion, the system will automatically restart.


STEP 5: Post Installation with MultiBeast
MultiBeast is an all-in-one post-installation tool designed to enable boot from hard drive, and install support for Audio, Network, and Graphics. The installation is complete, but the drive isn’t bootable yet. Boot from the USB again, this time choosing Sierra.

1. Turn on the computer
2. Press the hotkey to choose boot device
3. Choose USB
4. At the Boot Screen, choose your new Sierra installation.
5. Complete macOS Sierra setup
6. Open and run MultiBeast


7. If this is a fresh installation, click Quick Start. UEFI Boot Mode is recommended for 7/8/9/100 Series CustoMac desktops and all UEFI capable systems. Legacy Boot Mode is recommended for 5/6 Series CustoMac desktops and all BIOS based systems.


8. Choose the appropriate audio and network options for your system:

Screen Shot 2016-09-27 at 9.52.46 AM.png

9. Click Customize for further options

Screen Shot 2016-09-27 at 9.53.01 AM.png

10. Click Print or Save to back up your configuration
11. Click Build then Install

Screen Shot 2016-09-27 at 9.53.36 AM.png

If using a NVIDIA ‘Maxwell’ GeForce GTX 750, 750 Ti, 950, 960, 970, 980, 980 Ti, or TITAN X graphics card, macOS Sierra graphics drivers are not natively supported. Alternate NVIDIA drivers are required.

12. (Optional) Download and install Alternate NVIDIA Graphics Drivers
13. Reboot




Yay! You now have a fully updated bootable version of macOS Sierra on your CustoMac! And a super handy USB rescue drive. It’s easy to get frustrated, but don’t give up! If you get stuck, there are many users with similar hardware in the tonymacx86 Forum to provide support.




Thanks to all of the hard working developers, hackers, and testers all over the world without whom this guide would never have been possible.

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Hey Guys Its Kashif, Founder of Tech Fire. I spend most of my free time creating content for my YouTube channel and this website. I started my YouTube channel at age 15 and my goal was to teach people what they can do with their gadgets.



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    Existing Clover users may do a direct update to macOS Sierra by simply running the Install macOS Sierra app as normal Mac users would.

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