Walking you through the needed to run High Sierra on Windows.
. However, verify the file size (it should be roughly 5GB) and read user reviews for safety. Internet Archive 4. Updating an Existing High Sierra Install
If you download a file from a third-party site, always check the SHA-1 or MD5 checksum against known official values to ensure the file hasn't been tampered with.
If you need an (e.g., for VMware or VirtualBox):
A clean InstallESD.dmg for 10.13.6 should have a specific SHA-1 hash (available on Apple’s developer forums).
