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macOS 11 Big Sur on Unsupported Macs Thread

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The first post of this thread is a WikiPost and can be edited by anyone with the appropiate permissions. Your edits will be public.
Dilli said:
great news. Will it also download the OS updates and then post install the patch like in case of dosdude1 catalina patcher. How do we get this patcher. tsk
Click to expand...
Right now there isn't an official release with a post-install but hang tight! It will be there soon!
 
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For me with my iMac late 2012 (27 inch) as 13,2 the installation ran the update to Beta2 without a problem Full installer version 20C5061b installed with USB boot stick and Micropatcher 0.5.1.
Then after a few restarts the patch-kexts.sh was executed because of the WLAN card and
that's it, everything works perfectly.
 
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lumos said:
I have a similar problem on my Mac Pro 3,1 with NVIDIA GeForce GTX 680 Metal capable GPU.
On the left the correct background, on the right my wrong version.
There is a fix for this?

Thanks

View attachment 1686391
Click to expand...

as far as I can remember, there have always been some nvidia kepler driver bugs/glitches within MacOS for the last few years,
My experience is that they will slowly move away, after a few months and updates.

I also dont think Apple has a high priority of removing those bugs..
 
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MacHacJac said:
Guys, I have awesome news regarding @moosethegoose2213 and I's patcher. I have been obsessing about "patching basesystem" for months now. Well, it's finally been done. I can officially say that you can run the entire post-install process in macOS recovery, just like in dosdude1's patchers. This proved to be a very challenging endeavor, as macOS Big Sur has been very finicky about pretty much everything. Thanks to the help of @moosethegoose2213 , @Minh_Ton , and @jackluke , I have been able to do it. This patching method is kind of like a "DIY recovery" I like to call it where you take a created install media and you pretty much replace all the files in it. Thanks to @ASentientBot 's boot.efi and @jackluke 's prelinkedkernel, I am able to boot with our post-install application attached. Our application is a shell application, so no extra framework patching was necessary. If anyone would like to know how I patched the basesystem, feel free to DM me. Thanks again to @jackluke for all the help!

If you still don't believe that I have done it, here's a picture of my patched macOS recovery:
View attachment 1686462
Current version: 11.1 Beta
Click to expand...
Hi, is your patcher smooth with Non-Metal MBP? TKS!
 
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justperry said:
How did you figure that out, some kind of formula?
Click to expand...
I think he's referring to the increasing trend in the number after the '001-' in the urls from the sucatalog. See this output:
Code: 
Available Products:

1. macOS Big Sur Beta 11.1 (20C5061b)
   - 001-84845 - Added 2020-12-03 17:59:49
2. macOS Big Sur 11.0.1 (20B50)
   - 001-83532 - Added 2020-11-19 19:02:03
3. macOS Big Sur 11.0.1 (20B29)
   - 001-79699 - Added 2020-11-14 01:58:00
4. macOS Catalina 10.15.7 (19H15)
   - 001-68446 - Added 2020-11-11 17:48:09
5. macOS Catalina 10.15.7 (19H4)
   - 001-57224 - Added 2020-10-27 17:28:13
6. macOS Catalina 10.15.7 (19H2)
   - 001-51042 - Added 2020-09-24 17:09:31
7. macOS Catalina 10.15.6 (19G2021)
   - 001-36801 - Added 2020-08-12 20:04:02
8. macOS Catalina 10.15.6 (19G2006)
   - 001-36735 - Added 2020-08-06 23:39:24
9. macOS Catalina 10.15.5 (19F2200)
   - 001-15219 - Added 2020-06-15 18:52:41
10. macOS Catalina 10.15.4 (19E2269)
   - 001-04366 - Added 2020-05-04 15:32:04
11. macOS Catalina 10.15.3 (19D2064)
   - 061-86291 - Added 2020-03-23 21:41:00
12. macOS Mojave 10.14.4 (18E2034)
   - 041-88800 - Added 2019-10-23 14:41:18
13. Install macOS High Sierra Beta 10.13.5 (17F66a)
   - 041-90855 - Added 2019-10-23 14:41:18
14. macOS High Sierra 10.13.6 (17G66)
   - 041-91758 - Added 2019-10-19 18:19:55
15. macOS Mojave 10.14.6 (18G103)
   - 061-26589 - Added 2019-10-14 20:51:08
16. macOS Mojave 10.14.5 (18F2059)
   - 061-26578 - Added 2019-10-14 20:38:26

M. Change Max-OS Version (Currently 10.16)
C. Change Catalog (Currently developer)
I. Only Print URLs (Currently False)
S. Set Current Catalog to SoftwareUpdate Catalog
L. Clear SoftwareUpdate Catalog
R. Toggle Recovery-Only (Currently Off)
U. Show Catalog URL
Q. Quit

Please select an option:
... so the next release for 11.1, as in beta 3 should have a number larger than '84845'.
 
buckrock said:
I think he's referring to the increasing trend in the number after the '001-' in the urls from the sucatalog. See this output:
Code: 
Available Products:

1. macOS Big Sur Beta 11.1 (20C5061b)
   - 001-84845 - Added 2020-12-03 17:59:49
2. macOS Big Sur 11.0.1 (20B50)
   - 001-83532 - Added 2020-11-19 19:02:03
3. macOS Big Sur 11.0.1 (20B29)
   - 001-79699 - Added 2020-11-14 01:58:00
4. macOS Catalina 10.15.7 (19H15)
   - 001-68446 - Added 2020-11-11 17:48:09
5. macOS Catalina 10.15.7 (19H4)
   - 001-57224 - Added 2020-10-27 17:28:13
6. macOS Catalina 10.15.7 (19H2)
   - 001-51042 - Added 2020-09-24 17:09:31
7. macOS Catalina 10.15.6 (19G2021)
   - 001-36801 - Added 2020-08-12 20:04:02
8. macOS Catalina 10.15.6 (19G2006)
   - 001-36735 - Added 2020-08-06 23:39:24
9. macOS Catalina 10.15.5 (19F2200)
   - 001-15219 - Added 2020-06-15 18:52:41
10. macOS Catalina 10.15.4 (19E2269)
   - 001-04366 - Added 2020-05-04 15:32:04
11. macOS Catalina 10.15.3 (19D2064)
   - 061-86291 - Added 2020-03-23 21:41:00
12. macOS Mojave 10.14.4 (18E2034)
   - 041-88800 - Added 2019-10-23 14:41:18
13. Install macOS High Sierra Beta 10.13.5 (17F66a)
   - 041-90855 - Added 2019-10-23 14:41:18
14. macOS High Sierra 10.13.6 (17G66)
   - 041-91758 - Added 2019-10-19 18:19:55
15. macOS Mojave 10.14.6 (18G103)
   - 061-26589 - Added 2019-10-14 20:51:08
16. macOS Mojave 10.14.5 (18F2059)
   - 061-26578 - Added 2019-10-14 20:38:26

M. Change Max-OS Version (Currently 10.16)
C. Change Catalog (Currently developer)
I. Only Print URLs (Currently False)
S. Set Current Catalog to SoftwareUpdate Catalog
L. Clear SoftwareUpdate Catalog
R. Toggle Recovery-Only (Currently Off)
U. Show Catalog URL
Q. Quit

Please select an option:
... so the next release for 11.1, as in beta 3 should have a number larger than '84845'.
Click to expand...
He's using some kind of magic, as far as I know, the number wasn't available yet, and it's also trailing a number that changes, think it was 40/**/
 
Ok, so I just recently scored a free 2012 MacBook Pro (specs below) and although I have used the @dosdude1 patcher several times on my 2009 MBP, I was wondering, what are the chances of getting a usable version of Big Sur running on this machine? How hard is the process and will it be worth it, do you think? I assume this system is Metal compatible so I was just wondering what everyone thinks. Thank you for any/all help!

Screen Shot 2020-12-04 at 1.56.11 PM.png
 
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videotape74 said:
Ok, so I just recently scored a free 2012 MacBook Pro (specs below) and although I have used the @dosdude1 patcher several times on my 2009 MBP, I was wondering, what are the chances of getting a usable version of Big Sur running on this machine? How hard is the process and will it be worth it, do you think? I assume this system is Metal compatible so I was just wondering what everyone thinks. Thank you for any/all help!

View attachment 1686751
Click to expand...
Should be no problem at all . there are a few patchers available , depends on what you like I used BenSova version of Barrys patcher , it has a very easy GUI , very simple to do , , you can use the search function to find it or maybe the first page ,
 
videotape74 said:
Ok, so I just recently scored a free 2012 MacBook Pro (specs below) and although I have used the @dosdude1 patcher several times on my 2009 MBP, I was wondering, what are the chances of getting a usable version of Big Sur running on this machine? How hard is the process and will it be worth it, do you think? I assume this system is Metal compatible so I was just wondering what everyone thinks. Thank you for any/all help!

View attachment 1686751
Click to expand...
I have a similar Mac but mine is a retina MBP of the mid 2012 vintage.
I used BKN's patcher and had no real problems.
I ran the patch-kexts on the first couple of installs to get the wifi working but then I upgraded the wifi to ac and don't have to run that now.
Does yours have the Nvidia graphics card as well as the Intel HD 4000?
 
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Quackers said:
I have a similar Mac but mine is a retina MBP of the mid 2012 vintage.
I used BKN's patcher and had no real problems.
I ran the patch-kexts on the first couple of installs to get the wifi working but then I upgraded the wifi to ac and don't have to run that now.
Does yours have the Nvidia graphics card as well as the Intel HD 4000?
Click to expand...
No, it's just the Intel HD 4000

Screen Shot 2020-12-04 at 3.21.23 PM.png
 
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Having a big problem on big Sur with keyboard and mouse not working on 2.0 usb I've brought a PCI card 3.0 but for some reason even with hopes the Apple report that you should use to I can't get a boot screen to work with a keyboard and mouse but they all work in Single user mode no problem, the Mac Pro 3.1 I'm just wondering if anybody else is having these problems by keyboard and mouse doesn't work on a normal USB port
 
Trefor Parr said:
Having a big problem on big Sur with keyboard and mouse not working on 2.0 usb I've brought a PCI card 3.0 but for some reason even with hopes the Apple report that you should use to I can't get a boot screen to work with a keyboard and mouse but they all work in Single user mode no problem, the Mac Pro 3.1 I'm just wondering if anybody else is having these problems by keyboard and mouse doesn't work on a normal USB port
Click to expand...
There were quite a few reports on this problem, including on my MBP5,2. Fixed by a patch to IOHIDFamily.kext: #5,401 .
Which patcher do you use. Some include this fix, e.g. jackluke's BaseSystemfix #7,057 .
Anyway the fix just pretends that the system has been booted in single-user mode, even if it wasn't.
As a test if the fix will work for you, if you boot with CMD+S, then type exit (keyboard on USB3 probably), keyboard and mouse should be responsive in the booted system on USB2 as well.
(But can't test this in detail as I don't have a MP3,1.)
 
Last edited:
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Trefor Parr said:
Having a big problem on big Sur with keyboard and mouse not working on 2.0 usb I've brought a PCI card 3.0 but for some reason even with hopes the Apple report that you should use to I can't get a boot screen to work with a keyboard and mouse but they all work in Single user mode no problem, the Mac Pro 3.1 I'm just wondering if anybody else is having these problems by keyboard and mouse doesn't work on a normal USB port
Click to expand...
My Case of install Big Sur on Mac Pro 3.1.

forums.macrumors.com

macOS 11 Big Sur on Unsupported Macs Thread

My second Bild of old Big Sur installation on Mac Pro 2008. Mac Pro 3,1 (early 2008) 2xE5462 (QC 2.8) 4x4GB DDR2 5300F NoNamed SSD 64GB GTX 680 2GB (Flashed Mac EFI) Installed by create partition on Hard Drive and creating install media, patching by Micropatcher and Jacklukem USB fixes 1 and...
forums.macrumors.com forums.macrumors.com

BigMac-Master Patcher is don't enough to get full functionality, need USB fix from JackLuke.
 
Trefor Parr said:
Having a big problem on big Sur with keyboard and mouse not working on 2.0 usb I've brought a PCI card 3.0 but for some reason even with hopes the Apple report that you should use to I can't get a boot screen to work with a keyboard and mouse but they all work in Single user mode no problem, the Mac Pro 3.1 I'm just wondering if anybody else is having these problems by keyboard and mouse doesn't work on a normal USB port
Click to expand...
I have a Mac Pro 5,1 and USB is nearly unusable incl. the PCiE FASTA USB3 ports. Interestingly, those worked fine during most the beta. But since release they "stutter." This makes mouse movement, audio, etc. unusable.
The HID keyboard plugged into the native USB ports is ok, but no devices are recognized after boot.
I have wasted a lot of time on this, since it worked so well during earlier cycles.
I went back to Catalina with some pain and am happy with that.
Enjoying Big Sur on my MacBook Pro M1.
 
Last edited:
A question regarding snapshots and diskutil list

Recently I updated my Catalina OS to Big Sur OS with micropatcher
I have this scheme that is not like the scheme I got when I did it in fresh install


/dev/disk3 (synthesized):
#: TYPE NAME SIZE IDENTIFIER
0: APFS Container Scheme - +499.9 GB disk3
Physical Store disk2s2
1: APFS Volume ⁨SSD500 - Datos⁩ 377.7 GB disk3s1
2: APFS Volume ⁨Preboot⁩ 328.9 MB disk3s2
3: APFS Volume ⁨Recovery⁩ 612.6 MB disk3s3
4: APFS Volume ⁨VM⁩ 2.1 GB disk3s4
5: APFS Volume ⁨SSD500⁩ 16.3 GB disk3s5
6: APFS Snapshot ⁨com.apple.bless.B0C1...⁩ 16.3 GB disk3s5s1


Even in Disk Util I see SSD500 as grey volume and inside it the "strange" snapshot

Is it worth to fix it in any way

With fresh install I have the follow Scheme
1: APFS Volume ⁨BigSur 16.3 GB disk3s1
2: APFS Volume ⁨BigSur - Datos⁩ 377.7 GB disk3s2
3: APFS Volume ⁨Preboot⁩ 328.9 MB disk3s3
4: APFS Volume ⁨Recovery⁩ 612.6 MB disk3s4
5: APFS Volume ⁨VM⁩ 2.1 GB disk3s5
 
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I have installed Big sur 11.1 on MBP 8.2 is it possible to fix airdrop from not working?
 
dosdude1 said:
This thread will be used to discuss advancements in getting macOS 11.0 Big Sur running on unsupported Macs.

---
Compatibility List:

  • 2015 and later MacBook
    • MacBook8,1
    • MacBook9,1
    • MacBook10,1
  • 2013 and later MacBook Air
    • MacBookAir6,x
    • MacBookAir7,x
    • MacBookAir8,x
    • MacBookAir9,1
  • Late 2013 and later MacBook Pro
    • MacBookPro11,x
    • MacBookPro12,1
    • MacBookPro13,x
    • MacBookPro14,x
    • MacBookPro15,x
    • MacBookPro16,x
  • 2014 and later iMac
    • iMac14,4
    • iMac15,1
    • iMac16,x
    • iMac17,1
    • iMac18,x
    • iMac19,x
  • 2017 and later iMac Pro
    • iMacPro1,1
  • 2014 and later Mac mini
    • Macmini7,1
    • Macmini8,1
  • 2013 and later Mac Pro
    • MacPro6,1
    • MacPro7,1

- These Macs so far are capable of running Big Sur properly, but WiFi is not yet fully stable (except on iMac14,x, i.e. Late 2013 iMacs), and (at least on iMac14,x) Fusion Drive performance is significantly slower than on previous macOS releases. See FAQ for more information.

  • 2012 and Early 2013 MacBook Pro
    • MacBookPro9,x
    • MacBookPro10,x
  • 2012 MacBook Air
    • MacBookAir5,x
  • 2012 and 2013 iMac
    • iMac13,x
    • iMac14,x
  • 2012 Mac mini
    • Macmini6,x

- These Macs so far can boot Big Sur, but do not currently feature graphical acceleration support and, as with most 2012-2013 Macs, WiFi is not fully stable yet. See FAQ for more information.

* Not officially supported in macOS Catalina, but are fully capable of running both Catalina and Big Sur with a Metal-compatible GPU and upgraded WiFi/BT card.
  • Early-2008 or newer Mac Pro, iMac, or MacBook Pro:
    • MacPro3,1 *
    • MacPro4,1 *
    • MacPro5,1 *
    • iMac8,1
    • iMac9,1
    • iMac10,x
    • iMac11,x (systems with AMD Radeon HD 5xxx and 6xxx series GPUs were almost unusable when running Catalina and will be under Big Sur as well.) *
    • iMac12,x (systems with AMD Radeon HD 5xxx and 6xxx series GPUs were almost unusable when running Catalina and will be under Big Sur as well.) *
    • MacBookPro4,1
    • MacBookPro5,x
    • MacBookPro6,x
    • MacBookPro7,x
    • MacBookPro8,x
  • Late-2008 or newer MacBook Air or Aluminum Unibody MacBook:
    • MacBookAir2,1
    • MacBookAir3,x
    • MacBookAir4,x
    • MacBook5,1
  • Early-2009 or newer Mac Mini or white MacBook:
    • Macmini3,1
    • Macmini4,1
    • Macmini5,x (systems with AMD Radeon HD 6xxx series GPUs were almost unusable when running Catalina and will be under Big Sur as well.)
    • MacBook5,2
    • MacBook6,1
    • MacBook7,1
  • Early-2008 or newer Xserve:
    • Xserve2,1 *
    • Xserve3,1 *

  • 2006-2007 Mac Pros, iMacs, MacBook Pros, and Mac Minis:
    • MacPro1,1
    • MacPro2,1
    • iMac4,1
    • iMac5,x
    • iMac6,1
    • iMac7,1
    • MacBookPro1,1
    • MacBookPro2,1
    • MacBookPro3,1
    • Macmini1,1
    • Macmini2,1
  • — The 2007 iMac 7,1 is compatible with Catalina and potentially Big Sur if the CPU is upgraded to a Penryn-based Core 2 Duo, such as a T9300.

  • 2006-2008 MacBooks:
    • MacBook1,1
    • MacBook2,1
    • MacBook3,1
    • MacBook4,1 (as with Mojave and Catalina, we'll be on our own here, but Big Sur will be running on this machine!)
  • 2008 MacBook Air (MacBookAir 1,1)
  • All PowerPC-based Macs
  • All 68k-based Macs

The current consensus is to install Big Sur on systems offering a Metal capable GPU only. These cards offer graphics acceleration. Big Sur will be almost unusable without graphics acceleration.

You can install a Metal GPU in MacPro systems and some iMac Late 2009 to Mid 2011 systems.

Currently, it is not possible to get graphics acceleration when running Big Sur on a system with:

Pre-Metal AMD video cards (Radeon HD 6xxx, 5xxx, 4xxx series and older without acceleration.)
Pre-Metal Nvidia video cards (GeForce 5xx series and older without acceleration, GeForce 3xx Series and older, i.e. 8600M(GT)/8800M(GT), 9400M/9600M(GT), 320M/330M)
Pre-Metal Intel video cards (Intel HD Graphics 3000 and Intel HD Graphics Arrandale)

---

FAQ:

Q: Why did Apple drop support for my perfectly capable Mac?
A: Only Apple can give a definite answer to this. However there is evidence that it is based upon the CPUs being used in the now-unsupported Macs, which was the case last year with the Mac Pro 4,1/5,1. Intel decided to stop releasing firmware security fixes for Ivy Bridge and previous-generation CPUs. While they are technically compatible and supported in Big Sur, Apple has decided it is not worth the risk to continue supporting CPUs that have permanently unpatched security holes, putting users at risk. Also, terrible Fusion Drive performance under Big Sur on Late 2013 iMacs may be the reason Apple dropped support for that model.

While this is also not confirmed, another possibility could be that some of the excluded Macs feature WiFi chips that are no longer deemed fit for the next major release. This decision could be based on the previously mentioned security issues as well. The presence of graphics drivers for some of these newly unsupported Macs in Big Sur Beta 1 suggests this.

Q: Will my unsupported Mac get macOS 11.0 Big Sur?
A: If your Mac had official support in macOS Catalina, they will likely be able to be patched to run Big Sur with minimal issues. As of writing, only WiFi appears to be unstable, and even then, not for all users.
If your Mac was unsupported before the release of macOS Catalina, support remains to be seen as graphics acceleration may not be feasible at this time. (OpenGL is deprecated but actually still supported for now in Big Sur, as mentioned in Apple's own developer documentation. However, there are other reasons why providing non-Metal graphics acceleration on Big Sur is proving to be very difficult.)

Q: I see that my (2011 or earlier) unsupported Mac does not have "graphics acceleration" under Big Sur. How much performance loss does this cause?
A: For example, minimizing a Safari window takes well under a second on a 2012 MacBook Pro with accelerated graphics, versus 14 seconds on an Early 2011 13" MacBook Pro (2.3GHz Intel Core i5) or 25 seconds on a Late 2009 MacBook (2.4GHz Intel Core 2 Duo). During these multi-second delays, the entire user interface can freeze up. So when one app causes a graphics processing delay, it can occupy the entire computer and prevent switching to another app. Video playback is still generally fluid on 2011 Macs with 2nd generation Intel Core processors, but videos are almost slide shows if you have a Core 2 Duo. Overall, a small number of users of these Macs may have a serious need for Big Sur and may be able to endure the slowdowns, but most users will find unaccelerated graphics performance to be simply unacceptable.

Q: When will my unsupported Mac receive macOS 11.0 Big Sur? / ETA when?
A: This is a community driven effort to try and restore support for various unsupported Macs. Community members are working as hard as they can, often in their spare time, to try and add back stable support for these Macs. Based upon changes in macOS Big Sur, it may be possible some Macs that were previously patchable in Mojave, Catalina, and other previous releases of macOS may not be patchable under Big Sur. Please do not harass the patch developers to go faster, release the patcher, etc. Please do not clog up the thread with useless posts asking if your specific Mac will be patchable. Big Sur has been just released and is still subject to change. Rest assured, the dedicated community of developers working on these patches are doing everything that they can to re-add support for as many Macs as possible.

Q: Where/how can I download macOS 11.0 Big Sur?
A: Use this download link to load the 12GB InstallAssistant package. Install the package and you will find the Big Sur installer located in your Applications folder.

Q: Where/how can I download a patcher tool?
A: Currently we have here more than as single known options:

  1. Micro Patcher - First on this list to install Big Sur on selected machines is the @Barry K. Nathan micro patcher tool. Installing need some preparations and following the instructions step by step. Using this patcher you can also easily add your own extensions after patching following this doc. Please study the docs before you press the download button!
  2. Big Mac by StarPlayrX is another patcher worth considering if you have a Mac Pro. For 2008 Mac Pros (MacPro3,1) in particular, Big Mac is clearly a better option than this patcher (at least for now).
  3. BigSurFixes by @jackluke is the next option. This patcher allows booting of the Big Sur (Beta) installer on a wider range of older systems without graphics acceleration.
  4. OpenCore Legacy Patcher by @khronokernel is a completely different approach based on OpenCore. Detailed information is available from his announcement on this thread and his GitHub download page.
  5. Patched-Sur by @BenSova is a really nice GUI frontend, currently not another patcher. The patching is based on the first real patching option listed here, the @Barry K. Nathan patcher. The GUI makes it more comfortable to use the process but it hides also all obstacles and potential problems and it hides the docs. One should use a GUI if and only if the logic behind is mature and well known.
  6. Hedgemac by @MacHacJac and @moosethegoose2213 is an automator for the BarryKN Micropatcher, making it possible to run the first half of the patcher without a single command.
Please remember it is highly suggested that you have a backup in place before installing new system software on your main devices, overwriting any stable releases. Unsupported software can cause irreparable hardware damage or irrecoverable data loss and should be used at one's own risk.

Q: Where/how can I download the @dosdude1 Big Sur patcher tool?
A: @dosdude1 commented recently directly on this topic. There will be no such patcher for Big Sur available. Please do not clutter the thread asking for it again and again.

For legal purposes, the only official way to obtain a copy of macOS Big Sur at this time is to register with the Apple Developer program ($99/year) or, for the public beta, the Apple Beta Software Program (free). Please remember it is highly suggested that you do not install beta software on your main devices, overwriting any stable releases. Beta software can cause irreparable hardware damage or irrecoverable data loss and should be used at one's own risk.

Apple and all patch developers are not responsible for any potential damage or data loss caused by using pre-release software or unofficial support patches. Please use at your own risk.
Click to expand...
I have macOS Catalina runnning on a late mac mini 2012 but Apple won't allow me to download the 12gb installer so that I can place it on a USB drive. I tried the link above but It just comes back to the same page page.
 
MaxinMusicCity said:
I have macOS Catalina runnning on a late mac mini 2012 but Apple won't allow me to download the 12gb installer so that I can place it on a USB drive. I tried the link above but It just comes back to the same page page.
Click to expand...
Try the link in post 6011,
here
https://forums.macrumors.com/thread....2242172/page-241?post=29221192#post-29221192
It's always worked for me.
That's for the installer package. Once downloaded double click and install and you'll get the installer appearing in Applications.
 
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