The Windows Imaging Format (WIM) is a file-based disk image format developed by Microsoft to help deploy Windows operating system. The DISM tool (Deployment Image Service and Management Tool) can perform servicing tasks on a WIM file. For example, you can add or remove a device driver from an offline image.
However, when you download Windows 10 using Media Creation Tool, you’ll find
install.esd instead of
install.wim has given way to
install.esd, an Electronic Software Download (ESD) file format, perhaps due to its high compression ratio.Read more