The Windows ISO file is too large – Boot Camp Assistant creates a [X] GB installer partition which will contain the files present on the Windows 10 ISO as well as the Boot Camp Support software.

Microsoft has confirmed Windows 11 25H2 ISOs can not be downloaded and installed yet as the release date has been delayed.

If you want to download and install Windows 11 ARM with ISO on your ARM-based system, then this guide has all you need to know.

Microsoft may no longer support Windows To Go, but you can still make a portable Windows 11 installation — and it actually works okay.

We now have the Windows ISO file on our PC. The next step is to install Windows 10 or Windows 11 onto the USB drive so that we can boot the operating system from it.

Learn how to download a Windows 10 ISO file without using the Media Creation tool with this step-by-step guide.

It's only meant to be used for testing, but this latest Tiny11 update uses compression to bring the Windows 11 install size down to only 3.25GB.