If Boot Camp Assistant gives a 'Not enough space' error

Get help fixing the 'Not enough space' error message you might see when you install Windows on your Mac using Boot Camp Assistant.

You'll see this error message when the Windows image is too large to fit on the temporary partition Boot Camp Assistant uses to install Windows.

For example, Windows 10 Flash install media that's been converted to an ISO file will be too big, because it contains both 32-bit and 64-bit install images. To fix this issue, dowload a new ISO for your Windows version from the Microsoft download page.

Learn more

See Use Windows 10 on your Mac with Boot Camp for instructions on installing Windows 10 using an image downloaded from Microsoft’s website.

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