Always generate your install.wim directly from Microsoft-signed media (ISO or UUP Dump). Never trust a pre-made .wim from a stranger.
To convert and export:
If you are a system administrator, a deployment specialist, or a power user who loves customizing ISO images, you are probably familiar with the install.wim file. For the uninitiated, this is the heavy lifter inside the Windows installer—the actual image file containing Windows 11. download install.wim file for windows 11
dism /Get-WimInfo /WimFile:"D:\sources\install.esd" (This shows which edition index you want, e.g., Windows 11 Pro is usually Index 6). Always generate your install