Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

hwojtek

macrumors 68020
Jan 26, 2008
2,274
1,277
Poznan, Poland
Thanks fro getting back, that's what I thought. How or when does the Microsoft folder get created in the efi? Does Opencore create it when it first sees Windows on first boot after installing? I can't remember how the "Microsoft folder" gets there.
It's written by Windows themselves during the installation to the EFI partition that exists in the system (this is why it's better to have one EFI partition across all the harddisks in the computer).
 

macsoundsolutions

macrumors regular
Jan 12, 2010
205
101
It's written by Windows themselves during the installation to the EFI partition that exists in the system (this is why it's better to have one EFI partition across all the harddisks in the computer).
Sorry but I am a bit confused by this. My EFI with opencore is in bay 1 and the Microsoft folder with Big Sur (I don't use Big Sur), My main mac OS is is pcie slot 3 NVMe 12.6.2 and my Windows 11 install is in bay 2. All my hard drives have a EFI partition folder although they are empty except for bay 1. So how did Windows know to put the Microsoft folder on efi in bay 1 as apposed to a different efi. Maybe Windows always writes it to bay 1 efi folder on install? Also when I upgraded to Windows 11 there were no new files written to the Microsoft efi folder which I find odd.
 

h9826790

macrumors P6
Apr 3, 2014
16,656
8,587
Hong Kong
Thanks fro getting back, that's what I thought. How or when does the Microsoft folder get created in the efi? Does Opencore create it when it first sees Windows on first boot after installing? I can't remember how the "Microsoft folder" gets there.
That's created by the Windows installer. The process is tranparent to the users.
 
  • Like
Reactions: macsoundsolutions

hwojtek

macrumors 68020
Jan 26, 2008
2,274
1,277
Poznan, Poland
All my hard drives have a EFI partition folder although they are empty except for bay 1. So how did Windows know to put the Microsoft folder on efi in bay 1 as apposed to a different efi. Maybe Windows always writes it to bay 1 efi folder on install? Also when I upgraded to Windows 11 there were no new files written to the Microsoft efi folder which I find odd.
Empty EFI = no EFI.
How does it know? The firmware tells it which partition was the booting one.
 
  • Like
Reactions: macsoundsolutions

macsoundsolutions

macrumors regular
Jan 12, 2010
205
101
Empty EFI = no EFI.
How does it know? The firmware tells it which partition was the booting one.
Is it better to have the microsoft folder be located on the Windows drives EFI, someone else mentioned having it in the OC efi folder could potentially erase the BOOTx64.efii with the Windows one when doing a Windows update?
 

expede

macrumors regular
Jan 15, 2018
236
67
Sweden
Hello!

Just want to share. I used this tutorial for my install of Windows 11. No Rufus, just things from Microsoft. Used a Samsung EVO 870 1GB in bay 1. Have my OC on a NVMe. Worked flawless.


/Doc
 

hwojtek

macrumors 68020
Jan 26, 2008
2,274
1,277
Poznan, Poland
Excellent, this must have worked and worked.
However, that's the path for those who have got time, patience and type precisely into the registry (or don't use a wireless keyboard which does not work in pre-install Window environment). Rufus automates these actions by putting proper settings right into the installer, avoiding typos and misunderstandings of the manual process highlighted at 4:00 in the video and replaces the Media Creation Tool with a much more robust usb writing framework. The only problem - Rufus only works in Windows, so if it is a vanilla install without any previous Windows, your process is really the simplest way possible.
 

Model5.1

macrumors newbie
Feb 25, 2023
1
0
Hi guys, just a quick question before I proceed installing UEFI W10 and upgrade directly to W11 later at some point on my Mac Pro 2012.
I am using OCLP latest release 0.6.1. running Big Sur. Is it ok to assume the procedure you describe on this thread also applies to OCLP? I plan to use a separate SSD on bay4 to install W10 as to keep separate from macOS.

Thanks.
 

mode11

macrumors 65816
Jul 14, 2015
1,452
1,172
London
I've currently got Windows 10 on an SSD in slot 1. My OC is located there as well. Can I update Windows 10 to Windows 11, by booting from a USB stick with a patched Win11 installer?
 

prefuse07

Suspended
Jan 27, 2020
895
1,073
San Francisco, CA
I've currently got Windows 10 on an SSD in slot 1. My OC is located there as well. Can I update Windows 10 to Windows 11, by booting from a USB stick with a patched Win11 installer?
Yes, you can. From within Windows 10, run the W11 setup.exe and install Windows 11. As long as W11 got patched to remove the TPM requirement (or if you want to do that manually via regedit), you are good to go.
 

andrew nz

macrumors regular
Feb 11, 2017
115
14
Christchurch new zealand
hello
many points on windows 11 install (from a 5.1 with Monterey and OLCP).

What is the consensus?

I am interested to create an installer, presumably it either native boots or is accessed from OLCP Monterey to install on a another dedicated disk, and most importantly the Windows installer turns off writing security certificates or whatever it does that might brick a 5.1.

How to proceed , which is the best course off action?

:apple:
 
  • Like
Reactions: rare6499

prefuse07

Suspended
Jan 27, 2020
895
1,073
San Francisco, CA
hello
many points on windows 11 install (from a 5.1 with Monterey and OLCP).

What is the consensus?

I am interested to create an installer, presumably it either native boots or is accessed from OLCP Monterey to install on a another dedicated disk, and most importantly the Windows installer turns off writing security certificates or whatever it does that might brick a 5.1.

How to proceed , which is the best course off action?

:apple:
on a 5,1, since you have OpenCore, just use Rufus to create a Windows 11 USB Installer (so you can bypass TPM).

Plug it into the 5,1, boot up the computer, when you see the OpenCore boot picker, choose the Windows 11 USB Installer -- install it to the drive that you want to install it on (your computer will reboot a few times).

Once finished, the computer will reboot, you will see Windows 11 at the OpenCore boot picker (along with Monterey), select Windows and enjoy.

Voila.
 
  • Like
Reactions: hwojtek

mode11

macrumors 65816
Jul 14, 2015
1,452
1,172
London
Yes, you can. From within Windows 10, run the W11 setup.exe and install Windows 11. As long as W11 got patched to remove the TPM requirement (or if you want to do that manually via regedit), you are good to go.
So I would use Rufus to set up a USB stick with the bootable Windows 11 installer, then from the Windows 10 desktop, open the stick and double-click on W11 setup.exe?

Mac Sound Solutions indicated you can also boot from the USB stick, and choose the Upgrade option when installing. Is there any benefit to either way, or are they both ultimately doing the same thing anyway?
 

startergo

macrumors 603
Sep 20, 2018
5,020
2,282
Use this repo, boot to Win10 and select Auto Upgrade option just like in the picture. After the process finishes you will have Win11.
 

prefuse07

Suspended
Jan 27, 2020
895
1,073
San Francisco, CA
So I would use Rufus to set up a USB stick with the bootable Windows 11 installer, then from the Windows 10 desktop, open the stick and double-click on W11 setup.exe?

Mac Sound Solutions indicated you can also boot from the USB stick, and choose the Upgrade option when installing. Is there any benefit to either way, or are they both ultimately doing the same thing anyway?
In my case, I already had the USB stick created, so it was just easier to boot off it from the OpenCore boot picker, but you are right, I also could have just booted into Windows, opened it from within Windows 10 and ran setup.exe

A note of caution though -- I have been having problems with W11 22H2, so I am reverting back to 21H2.

update: you can also use the MCT tool that @startergo is linking. If you have Windows 10 already installed, just use MCT tool and it will upgrade you easily to Windows 11. The same works on a 7,1 (I just did it to install 21H2, since 22H2 was giving me problems).
 
Last edited:

andrew nz

macrumors regular
Feb 11, 2017
115
14
Christchurch new zealand
on a 5,1, since you have OpenCore, just use Rufus to create a Windows 11 USB Installer (so you can bypass TPM).

Plug it into the 5,1, boot up the computer, when you see the OpenCore boot picker, choose the Windows 11 USB Installer -- install it to the drive that you want to install it on (your computer will reboot a few times).

Once finished, the computer will reboot, you will see Windows 11 at the OpenCore boot picker (along with Monterey), select Windows and enjoy.

Voila.

I installed monterey on a 5.1 using this tool .

I launched the latest version of the patcher .61 which I have kept on the desktop for ease of access.
I have not seen any rufus or windows installer option in the menus.
i believe rufus is a windows only tool and it appears I am missing some critical information.

To add to the mystery, when i restart monterey I cannot use option-key-reboot because there is no boot selector screen only black screen, although the AMD 7970 card is apparently mac flashed. But flashed with what and which video port to use is also a mystery. There are numerous video ports in addition to other 7970 cards from other manufacturers.

Additionally, would it be possible to install a windows legacy boot option, to avoid any chance of a brick scenario?
At this point all i want to do is create an installer usb, with the brick scenario removed, but NOT to install yet.


What am I missing?

:apple:
 

prefuse07

Suspended
Jan 27, 2020
895
1,073
San Francisco, CA
I installed monterey on a 5.1 using this tool .

I launched the latest version of the patcher .61 which I have kept on the desktop for ease of access.
I have not seen any rufus or windows installer option in the menus.
i believe rufus is a windows only tool and it appears I am missing some critical information.

To add to the mystery, when i restart monterey I cannot use option-key-reboot because there is no boot selector screen only black screen, although the AMD 7970 card is apparently mac flashed. But flashed with what and which video port to use is also a mystery. There are numerous video ports in addition to other 7970 cards from other manufacturers.

Additionally, would it be possible to install a windows legacy boot option, to avoid any chance of a brick scenario?
At this point all i want to do is create an installer usb, with the brick scenario removed, but NOT to install yet.


What am I missing?

:apple:

A few things -- So you're using OCLP or "Open Core Legacy Patcher", and the best way to get support for that is through their Discord channel.

I would've advised you to get rid of OCLP and try the Martin Lo OpenCore package instead -- and then you could troubleshoot here, on these forums, through both Martin's thread and the OpenCore thread (where you could get sorted out).

I would NOT recommend installing Windows in Legacy mode -- especially if you are after Windows 11, as a requirement for it is UEFI.

The last thing -- Rufus is a Windows application that allows you to create a bootable USB flash installer, and it also allows you to easily bypass Windows 11's TPM requirements. Of course, you would need to either have access to a computer running Windows, or have Windows running on your cMP to create the flash installer.

Hope this helps. Check out the OCLP Discord channel.
 

andrew nz

macrumors regular
Feb 11, 2017
115
14
Christchurch new zealand
A few things -- So you're using OCLP or "Open Core Legacy Patcher", and the best way to get support for that is through their Discord channel.

I would've advised you to get rid of OCLP and try the Martin Lo OpenCore package instead -- and then you could troubleshoot here, on these forums, through both Martin's thread and the OpenCore thread (where you could get sorted out).

I would NOT recommend installing Windows in Legacy mode -- especially if you are after Windows 11, as a requirement for it is UEFI.

The last thing -- Rufus is a Windows application that allows you to create a bootable USB flash installer, and it also allows you to easily bypass Windows 11's TPM requirements. Of course, you would need to either have access to a computer running Windows, or have Windows running on your cMP to create the flash installer.

Hope this helps. Check out the OCLP Discord channel.


in the context of what is now OCLP, who can advise the best course of action to create a windows 11 installer?
 

Dayo

macrumors 68020
Dec 21, 2018
2,257
1,279
In terms of Windows, there is zero difference between an OpenCore setup created using the OCLP and any of the others mentioned earlier.

So, get a Windows machine and use Rufus on this to create the USB or use the method in the "OpenCore of the Mac Pro" Thread. As said, the OCLP has a 1 to 1 alignment with what is on that thread when it comes to Windows.

A lesson to learn is that you should not raise the METHOD used to to install OpenCore when bringing issues up:
  1. The METHOD used is irrelevant to 99.99% of issues you may face
  2. The METHOD used often results in many thinking they cannot assist (They use another)
  3. The METHOD used often results in many refusing to assist (They "hate" the method used)
So, when users go on about the installation method when asking for OpenCore related assistance, they introduce something that typically has no bearing on their issue but results in not getting an answer or being basically told to sod off elsewhere.
 
Last edited:
  • Like
Reactions: Pimander

Darmok N Jalad

macrumors 603
Sep 26, 2017
5,424
48,296
Tanagra (not really)
What I do to install Windows on my 5,1 is pull the drive from the Mac and put it into an old PC I have in storage. Boot a Windows USB Installer, go through all the installer options, and once setup has copied everything and prompts for a reboot, I turn off the PC, pull the drive, and drop it back into my 5,1. It will do the detecting hardware dance and complete setup with the 5,1 hardware. I just finally gave Win11 a try this weekend, and I ended up using Rufus to make the USB installer, since my old PC is also not capable of the hardware.

I gotta say, it runs really well, and it downloads the updates and all that, so hooray. I was getting tired of the look of Win10, and wanted to give the new Apple integration a try, like iCloud Photos in the MS Photos app.
 

Dayo

macrumors 68020
Dec 21, 2018
2,257
1,279
That is basically the same procedure outlined here to be done all on a Mac via a VM:

Focus there is on Win 10 but a prepared Win 11 ISO should work.
The respected MrMacintosh has put a prepped Win 11 ISO on Archive.Org:

This can be can be burnt to USB on a Mac using a tool like Etcher:

You might be able to retire the old Windows unit!
 

what2be

macrumors newbie
Nov 11, 2020
12
0
Not sure where I went wrong, but installed Windows 11 to a seperate NVM blade without issues, have OSX mavericks on another blade in a Highpoint 7110 controller. The issue is I can only boot to windows if I leave the usb installer in, but in the Open core (0.9.0) bootpicker I pick, EFI (NOT THE USB WIN Installer) and then it will show my windows 11 icon and I can boot to it. Without the USB installer drive, I cannot see it at all, only my OSX monterey and recovery options are available. Any suggestions? Also, is it possible to have the bootpicker come up automatically and then set the timeout for it for the default OS?

Thanks

Geoff
 

hwojtek

macrumors 68020
Jan 26, 2008
2,274
1,277
Poznan, Poland
While theoretically it is not needed anymore, edit your plist to include use Misc → BlessOverride → \EFI\Microsoft\Boot\bootmgfw.efi

Make sure your EFI parition actualy has a "Microsoft" folder. If it doesn't, copy it from the Windows EFI.
 
  • Like
Reactions: JedNZ
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.