In modern ISOs downloaded via the Media Creation Tool, Microsoft uses install.esd (Electronic Software Download) instead of install.wim . The ESD format is highly compressed. The command to check the index is slightly different:
: Type the following command, replacing with your actual mounted drive letter: dism /get-wiminfo /wimfile: :\sources\install.wim
Open Command Prompt as Administrator .
This link is temporary (expires in 24 hours) but the file itself is permanent.
: In Windows 10 and 11, you don't need third-party software to see what's inside. Simply double-click the ISO file to "mount" it as a virtual drive. Verifying Version