wimlib

I've had success with Windows 11 like so:

wimsplit install.wim install.swm 3800

This will generate install.swm and install2.swm; you just need to put them in the sources directory on the FAT32 USB drive where install.wim was.

Here's how you do it on Windows without wimlib, for reference:

https ...

Makes sense. Thanks!

When working on a FAT32 USB installer script for Windows 11, I needed to split install.esd.

wimpslit install.esd install.swm 3800

Which shows this:

[ERROR] Splitting of WIM containing solid resources is not supported.
Export it in non-solid format first.
ERROR: Exiting with error code 68 ...