Install Macos Big Sur On Unsupported Macs

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Sometimes we need to access macOS occasionally on Windows 10 PC under special circumstances. Buying a Mac is the most direct solution and it is more reliable. However, this is also the most expensive choice. If you have a tight budget and want to build a macOS environment for testing or other purposes, it is easy to do that with the help of Virtual machine software, like VirtualBox or VMware Work Station. In this article, we will share two different ways to install macOS Big Sur (the latest version of macOS) virtual machine on Windows 10 PC.

Method 1: Install macOS Big Sur on Windows 10 PC via VirtualBox

VirtualBox is a totally free and cross-platform virtual machine software that runs on Windows, macOS and Linux. It supports all the mainstream guest OS, including Windows, macOS, Linux, Unix, Solaris and more. This means you can build any virtual machine on all popular desktop platforms. It is our first choice for creating macOS Big Sur virtual machine on Windows 10 PC. To install macOS Big Sur on Windows 10 PC, there are two 2 phases being involved.

Phase One: VirtualBox Settings

Step 1: Download and Install VirtualBox on your Windows 10 computer and ensure to have the Extension Pack as well.

Step 2: Launch VirtualBox on your computer and then click on the New button. After that, set the OS name to macOS Big Sur and further click on the Expert Mode button.

Step 3: In the next window, provide the details such as OS name, version and many more. And keep the RAM size to 4GB and also ensure to select Create a virtual hard drive now that is listed in the Hard drive section.

Step 4: Now, click on the Create button located at the bottom of the window. Now, import macOS Big Sur DMG file. If you do not have yet, then download it from here. Make sure keep memory size at 120GB.

Step 5: Move to Hard disk type section and select VHD (Virtual Hard Drive) and also select Dynamically allotted that is listed in the storage section and finally click on the Create button.

Step 6: Now, select newly created VirtualBox and further click on the Settings icon. Move to the Storage section, click on Empty and further click on the CD icon and select Choose/ Create a Virtual Optical Disk from the drop-down menu.

Step 7: Now, click on the add button and then upload the macOS Big Sur file from your computer to the VirtualBox.

Step 8: After that move to the Optical Drive section and keep macOS Big Sur as SATA Port 0 and then click on the OK button and further close VirtualBox.

Phase Two: Install macOS Big Sur in VirtualBox

Now it's time to install macOS Big Sur on Windows 10 PC via VirtualBox. The entire steps are bit lengthy but you can easily execute it with patience.

Step 1: Launch VirtualBox on your computer, select macOS Big Sur, and further click on the Start button.

Step 2: Soon, you will get the Apple logo and after that setup screen, select your language and click on the arrow key that is located at the bottom right of the window.

Step 3: Now, select Disk Utility from the featured options and click on the Continue button. Erase VirtualBox hard disk to APFS with GUID scheme, click on the Erase button and then close Disk Utility window.

Step 4: Now, click on the Install macOS button and then click on the Continue button. Click on the Agree button to proceed ahead.

Step 5: After that, choose the disk and then click on the Install button. The installation process will take some time and once it is done, the Big Sur setup page will appear on the screen.

Install Macos Big Sur On Unsupported Macs

Step 6: Select your country and region and then click on the Continue button. Thereafter, Written and Spoken Language window will open, click on the Continue button.

Step 7: Setup the Accessibility section and then move to the Data and Privacy section and further click on the Continue button. After that, the Migration Assistant page will appear on the screen and if you don't want to migrate the data from the older OS then skip this method by clicking on the Not Now button.

Step 8: Now, sign-in with Apple credentials and if you don't want to do it now, then click on Setup Later button. Read the Terms and Conditions and further click on the Agree button. Then create a computer account by providing the account name and password and then click on the Continue button.

Step 9: Now, select the theme as per your convenience and click on the Continue button. That's it; your job is done as VirtualBox will complete the setup process in no time.

This method covers the entire procedure to install macOS Big Sur on Windows 10 PC with VirtualBox software. The most challenging part is virtual machine settings. You have to be very careful for that.

Method 2: Install macOS Big Sur on Windows 10 PC via VMware

VMWare Workstation is another popular software for creating virtual machines. However, it is a premium solution so you have to pay for that. It can directly install macOS Big Sur on Windows 10 in a well-designed visual interface, which is better than VirtualBox. Plus, it has more advanced features and settings that are not available in VirtualBox. If you used this virtual machine regularly and have enough budget, them VMWare Workstation is the best choice for you.

Step 1: Download VMWare Workstation on your computer from the official website. Now, open the download folder, double-click on the VMWare file to start the installation process.

Step 2: On the Welcome Wizard page of VMWare Workstation, you will get 2 options, click on Typical (Recommended) and further click on the Next button.

Step 3: Move to the Hardware Compatibility section and select Workstation 15.x from the drop-down menu. After that click on the Next button followed by selecting 'I will install the operating system later'.

Step 4: Select the type of guest operating system, it should be Apple macOS X and then give the name to the Virtual Machine. On the next page, you will have to set the processor number and you must keep it 3 or 4.

Step 5: Move to the Memory of Virtual Machine section and fix the slider to 4GB. After that, you will be directed to the Disk section, select Create a new virtual disk and keep the size as 100GB.

Step 6: You are on the halfway, now, click on the CD/DVD icon that is listed at the left panel and click on the Browse button, upload macOS Big Sur and click on the OK button. Now, open VMX Folder, navigate for VMX file, and open it using Notepad. Thereafter, insert the code listed below and save the file.

smc.version = '0'

Step 7: Launch VMWare Workstation and then move to the Disk Utility section. Here, you need to erase the virtual drive as we mentioned in VirtualBox section. Now, install macOS Big Sur the same as you did in the earlier part.

Summary

Sur

VirtualBox and VMWare Workstation are the two popular tools to help you install macOS Big Sur on a Windows PC. VirtualBox is free but the settings are a big complex. Plus, the user interface does not look shinny as VMWare Workstation. For occasional usage, VirtualBox is fine. However, if you want better user experience and use the VM regularly, VMWare Workstation is more suitable.

Big Sur on unsupported Mac

Installing Big Sur on an unsupported Mac can’t be done the regular way through System Preferences > Software update. However, if the machine’s not too old, there’s still a way to install Big Sur on an unsupported Mac using a specially developed patcher tool.

Big Sur Workaround

At first glance, it may seem impossible to install macOS Bug Sur on a machine that’s not supported. If you are using a Mac that’s too old and go to its Software Update section, you will see that you are simply not allowed to install the Big Sur upgrade. If, however, you are determined to get Big Sur on your Mac, it may still be done in a roundabout way, by using a specially-developed patcher that you can download from here.

Depending on how old your Mac is, the patcher may or may not enable you to install Big Sur – some Macs are just too old, and even the patcher cannot make it possible for the latest macOS to be installed on them.

On the linked page (from where you can download the patcher), you can find notes that show for which Mac models (and hardware compositions) the patcher is most likely to work and for which it’s not recommended to try it. Carefully look through those notes and if it turns out that your Mac doesn’t have the necessary prerequisites, it’s best if you don’t try the patcher as it will probably not work and may cause unnecessary complications that could be difficult to fix. There is a reason why the latest macOS isn’t supported on older Mac models. The system requirements of Big Sur are higher than what most of the older models can effectively handle and so, unless you are certain that your Mac can run on Big Sur (check the notes in the link), it would probably be best if you kept its current macOS, that it can run stably.

Important Note

Also, it is important that you back up your important data – even if your Mac model and hardware composition are compatible with the patcher according to the notes, you should still make sure that any important data you don’t want to lose is safely backed up.

Another thing to mention is that, if you are using FireVault, you need to have it turned off, or else the patcher will probably not work.

Install Macos Big Sur On Unsupported Macs

The last precaution before you start with the Big Sur installation is to download the current macOS that you have on your Mac/MacBook onto a USB stick so that, should there be a problem with the Big Sur installation, you can always install the older macOS onto the machine using the USB stick.

With all that out of the way, here’s how you can use the Big Sur patcher to upgrade your unsupported Mac to the latest macOS.

How to install Big Sur on unsupported Mac

To install Big Sur on an unsupported Mac, you must first create a bootable USB drive using a special patcher app. Then you need to use the USB drive to install Big Sur on the unsupported Mac, and, lastly, you must install the needed patches.

Creating a bootable USB stick using the Big Sur patcher.

The first phase of the process involves creating a bootable USB drive with the help of a special patcher, so here’s how to do that:

  1. Start by getting an empty USB stick with enough space on it – it is recommended the stick has at least 16 GB free storage space (the more, the better).
  2. Plug the empty USB stick into your Mac, go to Spotlight (the magnifying glass icon in the top-right), type Disk Utility, and hit Enter.
  3. Select the View icon in the top-left and select Show All Devices.
  4. Click on the USB drive from the left panel, and select Erase.
  5. In the Erase window, make sure that the format is set to Mac OS Extended and click on Erase.
  6. After the USB drive is erased, close the Disk Utility, open your browser, and go to the page where the patcher is (here is the link to it again). DO NOT remove the USB stick from your Mac – it must stay plugged into the computer during the next steps.
  7. Look at the right side of the page, where it says Releases (you may have to scroll down a bit), and select Latest.
  8. You will see the latest available patch and down below, under assets, you will see the download link/links for it. Click on the first link and download the file on your Desktop.
  9. Next, close the browser, open the patcher, and when a window pops up on your screen, double-click on the Patched Sur icon.
  10. When macOS asks you if you are sure you want to open the app, select Open and select Start from the newly-opened window.
  11. Next, the patcher will automatically detect what Mac model you are using and show you what Big Sur features will work on it and what features won’t be available – select Continue in that window.
  12. If you want, read the guide that appears on your screen and click Continue again.
  13. On the next page, make sure that the “Release” option is selected, and click on Continue.
  14. In the next screen, select Update, and then click Continue.
  15. Wait until the download finishes and then click on Download macOS 11.0.1 (or whatever macOS version is shown).
  16. Wait for the loading process to complete (it’s likely going to take quite a lot of time, so be patient), provide your Mac password, and click on Continue.
  17. Next, select the name of the empty USB stick and then select Continue, and Continue again on the next page.
  18. The following process could take quite some time, so be patient, wait for everything to be finished, and then close the window. Once the process is complete, macOS Big Sur will be downloaded onto the empty USB stick and will be ready to be installed on your Mac. To close the window, click on Patched Sur in the top-left and select Quit Patched Sur.

Installing macOS Big Sur

Once you have the bootable USB stick ready, it’s time to install Big Sur on your Mac.

  1. Shut down your Mac and when it powers down completely, start it back up, and immediately after pressing the power button, press and hold the left Option (Alt) key.
  2. Once you get a screen with three different options, select the one labeled Install macOS Big Sur. If you don’t get that screen and your Mac starts normally, repeat the previous step until you get the screen with the three options.
  3. When your Mac loads to a screen with four different options, do the following if the current macOS on the computer isn’t Catalina but one that is older. If your current macOS is Catalina, skip steps 4 to 7 and go directly to step 8.
  4. Select Disk Utility and then click on Continue.
  5. Click on the View icon from the top and select Show All Devices (like you did in one of the earlier steps).
  6. In the left panel, select the drive on which the current macOS is installed (should be the one shown at the top).
  7. Next, click on Erase, make sure that the format is set to APFS, and select Erase.
    • Important!: this action will erase everything on the selected hard drive, so it is important to have previously backed up data you wouldn’t want to lose. If you haven’t done that, restart your Mac, back up your data, and then erase the drive.
  8. Once the drive is erased, go back to the screen with four options, select Install macOS Big Sur, and click Continue, and then Continue again.
  9. Agree to the Terms and Conditions, on the next page, select the drive on which you’d like Big Sur to be installed, and select Continue. This will begin the installation of Big Sur and, again, depending on a number of factors, this process could anywhere between 45 minutes to 3 hours (or more).

Patiently wait for the installation to complete and once your Mac starts again, you will have Big Sur installed onto it. If you have performed a fresh install of Big Sur (if you’ve first erased your previous OS, you will have to go through several normal setup steps that are very easy to complete).

Installing Necessary Patches

Macos Big Sur Review

The last phase of the Big Sur installation is to install several important patches to make your Mac function properly.

  1. Once the computer starts after the Big Sur installation, and you complete any required setup steps (in case you’ve performed a fresh install of the OS), open the icon of the bootable USB drive.
  2. Open the Patched Sur app and select the Patch Kexts.
  3. Click Continue, enter your password and click on Continue again.
  4. Once the patches are installed, the app will ask you to restart your Mac, so click on the Restart to Finish option and wait for the computer to restart.
  5. If your Mac is a very old one, one thing that could help it run smoother is to go back to the Patcher, select Settings, and click on the Disable Animations option. We also recommend selecting the Clean Leftovers button to get rid of any unnecessary files and free up some space on the computer.

Install Big Sur Macbook Pro Mid 2012

Install big sur on older mac

Install Macos Big Sur On Unsupported Macs Mac

Once this is finished, your Mac will be ready for use with the macOS Big Sur installed on it. If you have any questions, do not hesitate to ask them in the comments section below.