-
Get FetchMacOS and place it in a known folder.
-
Open
Command Promptand usecdto go to the known folder. -
Run
fetch-macos.exe -p PRODUCTID -o SharedSupportwherePRODUCTIDis the macOS package you want to download.
- Rename
InstallESDDmg.pkginside theSharedSupportfolder toInstallESD.dmg