Open and use DISM:
To convert and export:
dism /export-image /SourceImageFile:"D:\sources\install.esd" /SourceIndex:6 /DestinationImageFile:"C:\deployment\install.wim" /Compress:max Pro tip: Change C:\deployment to a folder with 10+ GB free space. This process takes 5–15 minutes. Warning: Never download .wim files from random file-sharing sites (Google Drive, Mega, Torrents). They are a prime vector for malware. download install.wim file for windows 11
Always generate your install.wim directly from Microsoft-signed media (ISO or UUP Dump). Never trust a pre-made .wim from a stranger. Open and use DISM: To convert and export: