dism /Split-Image /ImageFile:D:\sources\install.wim /SWMFile:E:\sources\install.swm /FileSize:4000 (Replace D: with your mounted ISO drive letter and E: with your USB drive letter)
Preparing a bootable USB flash drive is the most common method for installing Windows 11 on a new PC, repairing an existing system, or performing a clean installation. However, simply dragging files onto a USB drive won't work. The drive needs a specific format, partition scheme, and bootable structure. how to format flash drive for windows 11 install
*Requires splitting install.wim or using third-party tools like Rufus. Use Microsoft’s Media Creation Tool (Scenario 1). It eliminates guesswork, handles file size limits automatically, and ensures the USB drive is formatted and bootable correctly for any modern PC running Windows 11. dism /Split-Image /ImageFile:D:\sources\install