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Using Bootcamp on a Macbook Air 2013 (Mojave) to install Windows 10 on a partition (as I have done several times in the past) I found the process no longer works!

  • Bootcamp requires an MS-DOS(FAT) USB stick and partition
  • Windows 10 1909 (latest and only version available from Microsoft) contains files larger than 4GB, and is therefore not compatible with MS-DOS(FAT) drive partitions
  • Windows 10 October 2018 ISO is no longer available from Microsoft or any reputable site that I can find
  • The Bootcamp software itself cannot download windows, giving a "not enough disk space" error, despite disk space being available, because of the FAT32 file size limit issue listed above.

I have tried using ExFat on the USB stick, which works up to a point, but is not able to install Windows 10 onto the Mac, presumably because the partition created by bootcamp is also FAT format.

Does anyone know of a reliable source for Windows October 2018 ISO? Or is anyone aware of an update to bootcamp which fixes this problem?

Leon
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2 Answers2

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I installed it today!

I was getting the "not enough disk space" until I updated to OS Catalina, then used the 1909 64x iso and a standard empty 16gb usb drive.

Bootcamp formatted my usb drive during the process.

I had the first and last box checked on the bootcamp installer and used the Activity Moniter App>Disk Tab>Bootcamp Installer to make sure files were still being written, as it sometimes appeared frozen.

Took a couple hours, 130gb partition. Macbook pro late 2013 model

I used: https://www.google.com/amp/s/www.imore.com/how-install-windows-your-mac-boot-camp%3famp and https://support.apple.com/en-ca/HT201468

I hope this helps!

Mitch
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I wasn't able to get Windows 10 1909 installed successfully, but posting an answer here as it might work for someone else :

@Tetsujin drew my attention to this post https://superuser.com/a/1345687/1166767 - following the instructions exactly worked on about the 3rd attempt! This allowed me to create a functioning USB stick and begin the Windows install process on a partition.

The install would then freeze at various points, as described here https://teching.nl/2017/03/bootcamp-windows-10-stuck-on-logo/

Unfortunately the install would not complete. This may be a separate bug not related to my initial question but related to my specific Macbook Air 2013, as described by other users here https://discussions.apple.com/thread/8350388

I hope one of these solutions can help a future user.

Leon
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