If you wish your Mac to dual boot Windows, you must use the Bootcamp installer. Once installed, you will choose to boot to Windows or MacOS. There no Mac OS Extended volumes on the drive.īootcamp allows you to boot into Windows on your Mac.In this case, the Golden Rule does not apply for the following reasons. Never change the partitioning on a Mac from Windows.

There is a Golden Rule which can be loosely stated as: Enter a name and ExFAT format, as shown below. Use the Disk Utility to erase the volume. If you wanted ExFAT format, then restart back to macOS. When a image similar to the image shown below appears, select the Finish button. Select FAT32 and enter a volume label, as shown below. In desired select a different drive letter, then select the Next button.

When a image similar to the image shown below appears, select the Next button. When the image shown below appears, select the Next button. Highlight the unallocated space and select New Simple Volume…, as shown below. Highlight the BOOTCAMP volume and select Shrink Volume…, as shown below. To create a MS-DOS (FAT) or ExFAT volume to be shared, preform the following steps. This is to be done after installing macOS and Windows. Include space for the MS-DOS (FAT) or ExFAT volume to be shared.

Use the Boot Camp Assistant to install Windows 10.

Use the Disk Utility to erase the drive and create a single APFS volume.

For example, this could be a Mojave recover volume, internet recovery or a installation flash drive. To do a clean install of the current versions of macOS and Windows, preform the following steps. Steps to do a clean install of macOS and Windows

Dual boot windows 10 mac