how to install windows on mac high sierra

Such cases include when the optical drive has been removed or is broken. An optical drive and/or Windows installation DVD is unavailable.This answer applies to Mac models where the following is true. Also, if installing the 1903 version of Windows 10, then you should read this question. The previous version of this answer, which used the 1709 version of Windows 10, can be found here. Note: This version of my answer uses the 21H1 version of Windows 10. Installing Windows 10 without DVD or Third Party Tools But, since macOS Recovery is not a third party tool, I am not opposed to its use. I would prefer not having to boot to macOS Recovery via the internet, built-in recovery or an USB flash drive macOS installer. Without disabling System Integrity Protection (SIP).I would desire to preform the installation without any of the following. Currently, this would be High Sierra (macOS 10.13.6). Install Windows using the latest version of macOS.

The single internal disk in my Mac uses a 512 byte sector size. Use only one partition on the first internal drive ( disk0) for the Windows files.

Boot Windows using the legacy BIOS boot method.

I do not want to first install an earlier version of Windows and then upgrade to Window 10.

Install Windows 10 into a newly formatted volume.

I have downloaded the latest Windows 10 (Version 21H1) iso file. I have no problems EFI booting the USB Windows installer, but I still want to install Windows to use the BIOS boot method. I have always assumed the Windows Support Software, supplied by Apple for my Mac, was designed only for the legacy BIOS boot method of installation. Apple did not officially start supporting this method of booting Windows until after the 2011 model year.

The resulting flash drive installer defaults to a Windows installation that uses the EFI boot method.

The Boot Camp Assistant software has to be hacked in order to create the Windows installer.

I have the following problems with doing this. plist file contained within the Boot Camp Assistant software. This was accomplished by first editing a. I have read where others have successfully used the Boot Camp Assistant to create a Windows flash drive installer. If you have one of the models listed below, then you should use the Boot Camp Assistant to install Widows 10. The following Mac models support 64-bit versions of Windows 10 when installed using Boot Camp. The exact list of supported Mac models is given below. Apple does not support Boot Camp Assistant installations of Windows 10 on 2011 and earlier iMac models.

How to install windows on mac high sierra